Pregnancy Symptoms by Week

A comprehensive timeline of pregnancy symptoms from week 1 through week 40. Track what symptoms to expect during each stage of your pregnancy journey.

Remember: Every pregnancy is unique. You may experience all, some, or none of these symptoms. If you have concerns, always consult with your healthcare provider.

🌱 First Trimester (Weeks 1-13)

The first trimester is marked by rapid hormonal changes and early pregnancy symptoms. Morning sickness, fatigue, and breast tenderness are common during this period.

Week 1

Baby size: Poppy seed

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Common Symptoms:

  • •You may not know you're pregnant yet as conception hasn't occurred
  • •Your last menstrual period marks the start of pregnancy calculations for medical dating purposes
  • •Some women experience mild cramping and spotting during menstruation
  • •Energy levels are typically normal during this pre-conception phase
  • •No pregnancy-specific symptoms are present at this stage

Week 2

Baby size: Poppy seed

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Common Symptoms:

  • •No pregnancy symptoms yet as conception has just occurred or is about to occur
  • •You may notice ovulation symptoms like increased clear, stretchy cervical mucus (egg white consistency)
  • •Some women experience mild pelvic pain or twinges (mittelschmerz) during ovulation
  • •Slight increase in basal body temperature after ovulation occurs
  • •Heightened sense of smell and increased libido are common during the fertile window

Week 3

Baby size: Sesame seed

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Common Symptoms:

  • •Possible light spotting or pinkish discharge from implantation bleeding (occurs in about 25% of pregnancies)
  • •Mild cramping or twinges in your lower abdomen as the embryo implants
  • •Early pregnancy may not be detectable yet on home pregnancy tests
  • •Some women report feeling unusually tired or fatigued
  • •Breast tenderness may begin as hormones start changing
  • •You might experience mood swings due to rapidly increasing hormone levels

Week 4

Baby size: Poppy seed

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Common Symptoms:

  • •Missed period is typically the first noticeable sign of pregnancy
  • •Light spotting or implantation bleeding may still occur in some women
  • •Mild cramping similar to period cramps as your uterus begins expanding
  • •Breast tenderness and swelling as your body produces more estrogen and progesterone
  • •Fatigue and exhaustion are common as your body works hard to support the pregnancy
  • •Bloating and feeling "off" as pregnancy hormones affect your digestive system
  • •Frequent urination as blood flow to your pelvic area increases

Week 5

Baby size: Sesame seed

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Common Symptoms:

  • •Morning sickness (nausea and vomiting) may begin, though it can occur at any time of day
  • •Increased urination frequency as pregnancy hormones increase blood flow to your pelvic region
  • •Extreme fatigue and exhaustion as your body works overtime to support the pregnancy
  • •Breast tenderness, swelling, and tingling as milk ducts begin developing
  • •Strong food aversions (especially to meat, fish, or strong-smelling foods) or sudden cravings
  • •Heightened sense of smell that can trigger nausea
  • •Mood swings and emotional sensitivity due to rapidly fluctuating hormones

Week 6

Baby size: Lentil

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Common Symptoms:

  • •Morning sickness intensifies for most women, with nausea peaking around weeks 6-12
  • •Frequent urination continues as your uterus grows and presses on your bladder
  • •Mood swings become more pronounced as progesterone and estrogen surge
  • •Bloating and gas increase due to slowed digestion from progesterone
  • •Heightened sense of smell that can trigger nausea and food aversions
  • •Excessive saliva production (ptyalism) in some women
  • •Possible light-headedness or dizziness from changing blood pressure

Week 7

Baby size: Blueberry

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Common Symptoms:

  • •Morning sickness often peaks during weeks 7-12, with increased nausea and possible vomiting
  • •Frequent urination continues and may intensify as blood volume increases
  • •Excess saliva (ptyalism) production that can worsen nausea
  • •Constipation becomes more common as progesterone slows digestive motility
  • •Emotional changes including mood swings, irritability, and weepiness
  • •Increased vaginal discharge as cervical mucus production increases
  • •Possible food cravings or strong aversions to foods you normally enjoy

Week 8

Baby size: Kidney bean

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Common Symptoms:

  • •Heightened sense of smell that can trigger instant nausea
  • •Strong food aversions to previously enjoyed foods, especially meat and fish
  • •Noticeable breast enlargement as milk ducts expand and prepare for breastfeeding
  • •Occasional mild cramping as your uterus continues expanding
  • •Increased clear or white vaginal discharge (leukorrhea) due to increased estrogen
  • •Possible weight loss if morning sickness is severe
  • •Visible veins on your breasts and abdomen due to increased blood flow

Week 9

Baby size: Grape

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Common Symptoms:

  • •Nausea and morning sickness often peak during week 9, affecting up to 80% of pregnant women
  • •Severe fatigue continues as your body produces more blood and supports fetal development
  • •Breast tenderness and fullness increase as breast tissue prepares for milk production
  • •Frequent urination persists due to hormonal changes and increased blood volume
  • •Mood swings can be intense due to fluctuating hormones and physical discomfort
  • •Possible headaches from hormonal changes and increased blood circulation
  • •Visible weight changes - either slight weight loss from nausea or small weight gain

Week 10

Baby size: Kumquat

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Common Symptoms:

  • •Visible blue veins on your chest, breasts, and abdomen due to 40-50% increase in blood volume
  • •Thicker, fuller hair as pregnancy hormones slow down normal hair shedding
  • •Round ligament pain - sharp pains in lower abdomen as ligaments stretch to support growing uterus
  • •Heartburn or acid reflux may begin as progesterone relaxes the valve between stomach and esophagus
  • •Increased vaginal discharge continues as estrogen levels rise
  • •Possible emotional ups and downs as first trimester nausea starts improving
  • •Occasional dizzy spells from blood pressure changes

Week 11

Baby size: Fig

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Common Symptoms:

  • •Nausea typically starts to ease as you approach the end of the first trimester
  • •Increased energy levels in many women as the exhaustion of early pregnancy lifts
  • •Skin changes may appear including darkening of nipples, linea nigra (dark line on belly), or melasma (pregnancy mask)
  • •Increased appetite as morning sickness subsides
  • •Continued breast growth and tenderness
  • •Occasional headaches from hormonal changes
  • •Possible breakouts or acne due to hormone fluctuations

Week 12

Baby size: Lime

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Common Symptoms:

  • •Reduced nausea and morning sickness for most women (about 70% see improvement)
  • •Increased energy levels returning as you approach the second trimester
  • •Visible baby bump may appear, especially if this isn't your first pregnancy
  • •Darkening of nipples and areolas due to increased pigmentation
  • •Less frequent urination as uterus rises out of pelvis
  • •Possible spotting after sex or pelvic exams due to increased blood flow to cervix
  • •Emotional changes as you process that pregnancy is becoming more "real"

Week 13

Baby size: Peapod

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Common Symptoms:

  • •Energy levels increase significantly as you enter the second trimester
  • •Morning sickness usually subsides or disappears completely for most women
  • •Baby bump becomes more visible and noticeable to others
  • •Round ligament pain may increase as ligaments stretch rapidly
  • •Sex drive may return as energy improves and nausea fades
  • •Continued breast growth and possible leaking of colostrum
  • •Improved emotional well-being as first trimester challenges ease

🛍️ Relief Picks for First-Trimester Nausea & Fatigue

Comfort and preparation products other expecting parents find helpful at this stage. These are convenience picks, not medical advice — always follow your provider's guidance.

💊

Prenatal Vitamins (with Folate & DHA)

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Daily folate, iron and DHA support that doctors recommend before and throughout pregnancy.

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Ginger Chews & Anti-Nausea Drops

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A gentle, drug-free favorite many moms keep on hand for queasy mornings.

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Sea-Bands Acupressure Wristbands

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Reusable wrist bands many expecting moms use for everyday queasiness and travel.

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📖

What to Expect When You're Expecting

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The classic week-by-week guide trusted by millions of expecting parents.

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Amazon Associates Disclosure: As an Amazon Associate, we earn from qualifying purchases at no extra cost to you. These recommendations are editorially chosen comfort and preparation products and are not medical advice.

🌸 Second Trimester (Weeks 14-27)

Often called the "golden trimester," symptoms typically improve. You'll start feeling baby movements and experience a visible baby bump. Energy levels usually increase during this period.

Week 14

Baby size: Lemon

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Common Symptoms:

  • •Increased energy levels - welcome to the "honeymoon trimester"!
  • •Significantly less nausea or complete relief from morning sickness
  • •Noticeably growing belly that's starting to "pop"
  • •Possible nasal congestion and nosebleeds from increased blood flow (rhinitis of pregnancy)
  • •Increased appetite as nausea subsides
  • •Glowing skin from increased blood flow and oil production
  • •Possible constipation as progesterone continues slowing digestion

Week 15

Baby size: Apple

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Common Symptoms:

  • •Significant second trimester energy boost - many women feel their best now
  • •Possible nosebleeds due to increased blood volume and expanded blood vessels
  • •Swollen, tender gums (pregnancy gingivitis) that may bleed when brushing
  • •Baby bump is clearly showing and growing rapidly
  • •Skin may have a healthy "pregnancy glow" from increased blood flow
  • •Possible stuffy nose and congestion
  • •Weight gain becomes more noticeable (1/2 to 1 pound per week is normal)

Week 16

Baby size: Avocado

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Common Symptoms:

  • •You may feel first flutters or "quickening" - the first fetal movements (more common in second pregnancies)
  • •Backaches may begin as your center of gravity shifts forward
  • •Increased clear or white vaginal discharge (leukorrhea)
  • •Dry, itchy eyes from hormonal changes
  • •Growing belly and possible "popped" appearance
  • •Possible round ligament pain with sudden movements
  • •Increased appetite and cravings

Week 17

Baby size: Turnip

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Common Symptoms:

  • •Increased appetite as your body needs more calories for baby's rapid growth
  • •Baby movements become more noticeable and frequent throughout the day
  • •Possible heartburn and acid reflux as uterus pushes on stomach
  • •Vivid, strange dreams due to hormonal changes and pregnancy anxieties
  • •Increased sweating due to hormonal changes
  • •Possible nasal congestion and stuffiness
  • •Growing belly that may affect your balance

Week 18

Baby size: Bell pepper

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Common Symptoms:

  • •Increased energy levels continue through second trimester
  • •Occasional dizziness from blood pressure changes when standing quickly
  • •Possible leg cramps, especially at night
  • •Rapidly growing belly that's noticeably larger
  • •Backaches from shifting center of gravity and loosening ligaments
  • •Stronger, more frequent fetal movements
  • •Possible abdominal achiness as uterus stretches

Week 19

Baby size: Mango

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Common Symptoms:

  • •Sharp round ligament pain with sudden movements, laughing, or coughing
  • •Occasional dizziness, especially when standing up quickly (orthostatic hypotension)
  • •Abdominal pain and achiness as uterus expands rapidly
  • •Lower back pain and sciatica as baby puts pressure on sciatic nerve
  • •Baby movements feel stronger and more like pokes and jabs
  • •Increased appetite and specific food cravings
  • •Possible skin changes like darkening linea nigra or melasma

Week 20

Baby size: Banana

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Common Symptoms:

  • •Halfway through pregnancy - a major milestone to celebrate!
  • •Visible baby movements that may be seen moving across your belly
  • •Increased white or clear vaginal discharge (leukorrhea)
  • •Possible varicose veins in legs due to increased blood volume and pressure
  • •Shortness of breath as uterus pushes up on diaphragm
  • •Increased sweating and body temperature
  • •Possible swelling in feet and ankles

Week 21

Baby size: Carrot

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Common Symptoms:

  • •Significantly increased appetite as baby grows rapidly
  • •Possible varicose veins in legs from increased blood volume and uterine pressure
  • •Stretch marks may appear on belly, breasts, hips, or thighs as skin stretches
  • •Braxton Hicks contractions (practice contractions) may start - they feel like tightening
  • •Increased vaginal discharge
  • •Possible leg cramps at night
  • •Continued backaches and pelvic pressure

Week 22

Baby size: Papaya

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Common Symptoms:

  • •Increased libido for many women as energy improves and discomfort is minimal
  • •Possible leg cramps, especially at night, from calcium-magnesium imbalance
  • •Constipation continues as progesterone slows digestion
  • •Increased clear or white vaginal discharge
  • •Skin changes including darkening linea nigra, melasma, or skin tags
  • •Possible swelling in hands and feet
  • •Heightened emotional connection to baby as movements become stronger

Week 23

Baby size: Grapefruit

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Common Symptoms:

  • •Swelling (edema) in feet, ankles, and hands from fluid retention
  • •Linea nigra - dark vertical line from belly button to pubic bone - may appear or darken
  • •More frequent Braxton Hicks contractions (practice contractions)
  • •Increased forgetfulness and "pregnancy brain" from hormonal changes
  • •Possible backaches and sciatica from baby's position
  • •Feeling warmer than usual due to increased metabolism
  • •Possible bleeding gums when brushing

Week 24

Baby size: Cantaloupe

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Common Symptoms:

  • •Glucose screening test (1-hour glucose challenge) typically done this week
  • •Rapidly growing belly that may cause balance issues
  • •Possible carpal tunnel syndrome from fluid retention compressing nerves
  • •Significantly increased appetite requiring 300-500 extra calories daily
  • •Possible vision changes from fluid retention affecting eye shape
  • •More frequent and noticeable baby movements
  • •Possible stretch marks appearing or intensifying

Week 25

Baby size: Cauliflower

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Common Symptoms:

  • •Possible hemorrhoids from increased blood flow and pressure on rectal veins
  • •Trouble sleeping due to difficulty finding comfortable positions
  • •Restless leg syndrome - uncomfortable sensations in legs with urge to move them
  • •Increased appetite continuing
  • •Possible heartburn and indigestion
  • •Frequent urination as baby grows
  • •Increased discharge and possible minor leaking of colostrum

Week 26

Baby size: Lettuce

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Common Symptoms:

  • •Braxton Hicks contractions becoming more frequent (belly tightening without pain)
  • •Possible pelvic pain and pressure as baby grows heavier
  • •Shortness of breath as uterus pushes up on diaphragm
  • •Rapidly growing belly
  • •Possible rib pain as baby kicks upward
  • •Increased urination frequency
  • •Possible swelling and water retention

Week 27

Baby size: Cauliflower

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Common Symptoms:

  • •Preparing physically and mentally for third trimester
  • •Possible sciatic nerve pain shooting down legs from baby's position
  • •Increased Braxton Hicks contractions
  • •Possible swelling in hands, feet, and face
  • •Trouble sleeping and frequent nighttime urination
  • •Possible anxiety about upcoming labor and delivery
  • •Growing belly causing balance and coordination changes

🛍️ Comfort Picks for Second-Trimester Aches & Skin Changes

Comfort and preparation products other expecting parents find helpful at this stage. These are convenience picks, not medical advice — always follow your provider's guidance.

🧴

Belly Butter / Stretch-Mark Cream

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Full-Body Pregnancy Pillow

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Maternity Leggings & Tops

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Motivational Water Bottle

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Staying hydrated eases many pregnancy aches; a time-marked bottle makes it easy.

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Amazon Associates Disclosure: As an Amazon Associate, we earn from qualifying purchases at no extra cost to you. These recommendations are editorially chosen comfort and preparation products and are not medical advice.

🌺 Third Trimester (Weeks 28-40)

The home stretch! Symptoms intensify as baby grows larger. You may experience discomfort, frequent urination, and Braxton Hicks contractions as your body prepares for labor.

Week 28

Baby size: Eggplant

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Common Symptoms:

  • •Shortness of breath as uterus pushes up on diaphragm
  • •Trouble sleeping due to size, discomfort, and frequent bathroom trips
  • •Possible sciatic pain shooting down legs and buttocks
  • •Frequent urination returns as baby drops lower into pelvis
  • •More frequent and intense Braxton Hicks contractions
  • •Swelling in feet, ankles, and hands
  • •Possible back pain and pelvic pressure

Week 29

Baby size: Butternut squash

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Common Symptoms:

  • •Severe heartburn and acid reflux as stomach is compressed
  • •Hemorrhoids from increased pressure and constipation
  • •Varicose veins in legs from blood volume and pressure
  • •Fatigue returns as carrying extra weight becomes exhausting
  • •Significant pelvic pressure and heaviness
  • •Trouble sleeping and finding comfortable positions
  • •Possible carpal tunnel symptoms in hands and wrists

Week 30

Baby size: Cabbage

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Common Symptoms:

  • •Noticeable swelling (edema) in hands, feet, ankles, and possibly face
  • •Intensifying backaches from carrying extra weight and shifted center of gravity
  • •Leaking colostrum (early breast milk) from nipples
  • •Mood swings and emotional changes as you approach motherhood
  • •Strong nesting instinct urging you to clean and organize
  • •Increased Braxton Hicks contractions
  • •Difficulty breathing and shortness of breath

Week 31

Baby size: Coconut

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Common Symptoms:

  • •Braxton Hicks contractions becoming more frequent and intense
  • •Pelvic pain and pressure (SPD - symphysis pubis dysfunction) from loosening joints
  • •Increased clear or white vaginal discharge
  • •Continued shortness of breath
  • •Possible numbness or tingling in hands and fingers
  • •Difficulty sleeping more than a few hours at a time
  • •Frequent urination, especially at night

Week 32

Baby size: Jicama

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Common Symptoms:

  • •Frequent urination as baby presses heavily on bladder
  • •Increased breast leakage of colostrum (pre-milk)
  • •Possible carpal tunnel syndrome from fluid retention
  • •Vivid, intense dreams related to pregnancy and parenting
  • •Significant fatigue from carrying extra weight
  • •Possible pubic bone pain (SPD)
  • •Shortness of breath continues

Week 33

Baby size: Pineapple

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Common Symptoms:

  • •More frequent and intense Braxton Hicks contractions
  • •Noticeable forgetfulness and "pregnancy brain" from hormonal changes
  • •Clumsiness and loss of balance from shifted center of gravity
  • •Significant trouble sleeping and insomnia
  • •Possible heartburn and indigestion
  • •Swelling in extremities may worsen
  • •Increased pelvic pressure and discomfort

Week 34

Baby size: Cantaloupe

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Common Symptoms:

  • •Possible vision changes from fluid retention affecting cornea shape
  • •Increased fatigue as pregnancy becomes more physically demanding
  • •Intense pelvic pressure as baby descends
  • •Possible worsening constipation
  • •Braxton Hicks may be uncomfortable
  • •Trouble finding any comfortable position
  • •Possible leaking of urine when laughing, sneezing, or coughing

Week 35

Baby size: Honeydew melon

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Common Symptoms:

  • •Very frequent urination as baby presses on bladder constantly
  • •Intense pelvic pressure and possible lightning (baby dropping)
  • •Possible significant swelling in feet, ankles, hands, and face
  • •Severe shortness of breath as uterus reaches maximum height
  • •Trouble sleeping and extreme discomfort
  • •Possible anxiety about impending labor
  • •Strong nesting urges to prepare for baby

Week 36

Baby size: Romaine lettuce

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Common Symptoms:

  • •Significantly increased Braxton Hicks contractions that may take your breath away
  • •Pelvic pressure intensifies as baby descends into birth position
  • •Possible "lightning" - sudden dropping of baby into pelvis
  • •Even more frequent bathroom trips, possibly every hour
  • •Difficulty walking and waddling gait
  • •Possible loss of mucus plug (can regenerate)
  • •Extreme fatigue and exhaustion

Week 37

Baby size: Swiss chard

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Common Symptoms:

  • •Mix of excitement and nervousness about meeting baby
  • •Very strong nesting instinct with urges to clean and organize
  • •Possible loss of mucus plug (bloody show)
  • •Increased vaginal discharge
  • •More frequent and intense Braxton Hicks
  • •Extreme physical discomfort
  • •Difficulty sleeping

Week 38

Baby size: Leek

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Common Symptoms:

  • •Cervix may be dilating and effacing (thinning) in preparation
  • •Possible bloody show (mucus plug discharge with blood)
  • •Contractions may increase in frequency and intensity
  • •Water may break at any time (happens before labor in about 10% of women)
  • •Extreme discomfort and difficulty moving
  • •Possible diarrhea as body prepares for labor
  • •Increased pelvic pressure

Week 39

Baby size: Mini watermelon

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Common Symptoms:

  • •Lightning crotch pains - sharp shooting pains in pelvis and vagina
  • •Increased contractions that may be irregular or regular
  • •Possible water breaking (spontaneous rupture of membranes)
  • •Intense anticipation, anxiety, and impatience
  • •Extreme physical discomfort
  • •Possible burst of energy (nesting)
  • •Difficulty sleeping

Week 40

Baby size: Small pumpkin

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Common Symptoms:

  • •Emotionally and physically ready to meet your baby
  • •Possible increased contractions that may start and stop
  • •Feeling anxious, impatient, or frustrated if not in labor yet
  • •Labor could start at any time - today, tomorrow, or in 2 weeks
  • •Extreme discomfort and difficulty with daily activities
  • •Possible signs of labor beginning
  • •Mix of excitement and nervousness

🛍️ Comfort & Hospital-Bag Picks for the Third Trimester

Comfort and preparation products other expecting parents find helpful at this stage. These are convenience picks, not medical advice — always follow your provider's guidance.

🛏️

Full-Body Pregnancy Pillow

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U-shaped support for side-sleeping that helps take pressure off hips and back.

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Hospital Bag Robe & Slippers

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Cozy robe, socks and slippers to make your hospital stay feel more like home.

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Nursing & Maternity Bras

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Newborn Diapers & Wipes

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Stock the essentials early so you are not running out in those first busy weeks.

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Amazon Associates Disclosure: As an Amazon Associate, we earn from qualifying purchases at no extra cost to you. These recommendations are editorially chosen comfort and preparation products and are not medical advice.

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