Your Complete Pregnancy Timeline

An interactive visual timeline of your entire 40-week pregnancy journey. See the big picture of baby development, your changing body, and important milestones at each stage.

🌱

First Trimester

Weeks 1-13

Foundation phase: embryo forms, organs develop, morning sickness common.

Learn more →
🌸

Second Trimester

Weeks 14-27

Golden period: energy returns, baby movements felt, anatomy scan performed.

Learn more →
🌺

Third Trimester

Weeks 28-40

Final stretch: rapid growth, preparing for labor, weekly checkups begin.

Learn more →

Week-by-Week Timeline

1

Week 1

1st Trimester
🌱Poppy seed•Less than 0.1 inches, Less than 1 gram

Baby Development:

Conception typically occurs at the end of week 2, marking the true beginning of pregnancy

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

View details →
2

Week 2

1st Trimester
🌱Poppy seed•Less than 0.1 inches, Less than 1 gram

Baby Development:

Ovulation typically occurs around day 14 of your menstrual cycle during this week

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)

View details →
3

Week 3

1st Trimester
🌱Sesame seed•0.04 inches, Less than 1 gram

Baby Development:

The blastocyst burrows into your uterine lining during implantation, usually 6-12 days after fertilization

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

View details →
4

Week 4

1st Trimester
🌱Poppy seed•0.04 inches, Less than 1 gram

Baby Development:

The embryo now consists of two distinct layers (epiblast and hypoblast) that will develop into all your baby's organs and body parts

Common Symptoms:

Missed period is typically the first noticeable sign of pregnancy, Light spotting or implantation bleeding may still occur in some women

View details →
5

Week 5

1st Trimester
🌱Sesame seed•0.13 inches, Less than 1 gram

Baby Development:

Your baby's heart begins beating at around 110-120 beats per minute, even though it's just a simple tube-like structure

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

View details →
6

Week 6

1st Trimester
🌱Lentil•0.25 inches, Less than 1 gram

Baby Development:

Facial features begin forming with dark spots marking where eyes and nostrils will develop

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

View details →
7

Week 7

1st Trimester
🌱Blueberry•0.51 inches, 0.04 ounces

Baby Development:

Brain is developing rapidly with the cerebral hemispheres becoming visible

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

View details →
8

Week 8

1st Trimester
🌱Kidney bean•0.63 inches, 0.04 ounces

Baby Development:

Webbed fingers and toes are forming with distinct ridges that will become fingerprints

Common Symptoms:

Heightened sense of smell that can trigger instant nausea, Strong food aversions to previously enjoyed foods, especially meat and fish

View details →
9

Week 9

1st Trimester
🌱Grape•0.9 inches, 0.07 ounces

Baby Development:

All essential organs including heart, brain, lungs, kidneys, and liver have begun forming

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

View details →
10

Week 10

1st Trimester
🌱Kumquat•1.2 inches, 0.14 ounces

Baby Development:

All vital organs are present and functioning at a basic level

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

View details →
11

Week 11

1st Trimester
🌱Fig•1.6 inches, 0.25 ounces

Baby Development:

Hair follicles are forming all over the scalp and body

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

View details →
12

Week 12

1st Trimester
🌱Lime•2.1 inches, 0.49 ounces

Baby Development:

Reflexes are developing including sucking, rooting, and grasping reflexes

Common Symptoms:

Reduced nausea and morning sickness for most women (about 70% see improvement), Increased energy levels returning as you approach the second trimester

View details →
13

Week 13

1st Trimester
🌱Peapod•2.9 inches, 0.81 ounces

Baby Development:

Unique fingerprints are forming on tiny fingertips

Common Symptoms:

Energy levels increase significantly as you enter the second trimester, Morning sickness usually subsides or disappears completely for most women

View details →
14

Week 14

2nd Trimester
🍊Lemon•3.4 inches, 1.5 ounces

Baby Development:

Facial expressions are possible including squinting, frowning, and grimacing

Common Symptoms:

Increased energy levels - welcome to the "honeymoon trimester"!, Significantly less nausea or complete relief from morning sickness

View details →
15

Week 15

2nd Trimester
🍊Apple•3.98 inches, 2.5 ounces

Baby Development:

Legs are growing rapidly and are now longer than the arms

Common Symptoms:

Significant second trimester energy boost - many women feel their best now, Possible nosebleeds due to increased blood volume and expanded blood vessels

View details →
16

Week 16

2nd Trimester
🍊Avocado•4.6 inches, 3.5 ounces

Baby Development:

Head and body proportions are becoming more balanced

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

View details →
17

Week 17

2nd Trimester
🍊Turnip•5.1 inches, 5.9 ounces

Baby Development:

Baby can move all joints freely including fingers, wrists, elbows, and knees

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

View details →
18

Week 18

2nd Trimester
🍊Bell pepper•5.6 inches, 6.7 ounces

Baby Development:

Baby yawns regularly, opening their mouth wide

Common Symptoms:

Increased energy levels continue through second trimester, Occasional dizziness from blood pressure changes when standing quickly

View details →
19

Week 19

2nd Trimester
🍊Mango•6.0 inches, 8.5 ounces

Baby Development:

Vernix caseosa (white, cheese-like protective coating) covers baby's skin to protect from amniotic fluid

Common Symptoms:

Sharp round ligament pain with sudden movements, laughing, or coughing, Occasional dizziness, especially when standing up quickly (orthostatic hypotension)

View details →
20

Week 20

2nd Trimester
🍊Banana•6.5 inches, 10.2 ounces

Baby Development:

Baby is swallowing more amniotic fluid (up to several ounces per day)

Common Symptoms:

Halfway through pregnancy - a major milestone to celebrate!, Visible baby movements that may be seen moving across your belly

View details →
21

Week 21

2nd Trimester
🍊Carrot•10.5 inches, 12.7 ounces

Baby Development:

Baby can hear your voice clearly and may recognize it after birth

Common Symptoms:

Significantly increased appetite as baby grows rapidly, Possible varicose veins in legs from increased blood volume and uterine pressure

View details →
22

Week 22

2nd Trimester
🍊Papaya•10.9 inches, 15.2 ounces

Baby Development:

Eyelids, eyebrows, and eyelashes are fully formed

Common Symptoms:

Increased libido for many women as energy improves and discomfort is minimal, Possible leg cramps, especially at night, from calcium-magnesium imbalance

View details →
23

Week 23

2nd Trimester
🍊Grapefruit•11.4 inches, 1.1 pounds

Baby Development:

Baby can hear sounds clearly from outside including music, voices, and loud noises

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

View details →
24

Week 24

2nd Trimester
🍊Cantaloupe•11.8 inches, 1.3 pounds

Baby Development:

Baby reaches viability - could potentially survive with intensive medical care if born now

Common Symptoms:

Glucose screening test (1-hour glucose challenge) typically done this week, Rapidly growing belly that may cause balance issues

View details →
25

Week 25

2nd Trimester
🍊Cauliflower•13.6 inches, 1.5 pounds

Baby Development:

Baby may respond to touch through your belly - you may feel kicks in response to pressure

Common Symptoms:

Possible hemorrhoids from increased blood flow and pressure on rectal veins, Trouble sleeping due to difficulty finding comfortable positions

View details →
26

Week 26

2nd Trimester
🍊Lettuce•14 inches, 1.7 pounds

Baby Development:

Eyes are beginning to open for the first time after being fused shut

Common Symptoms:

Braxton Hicks contractions becoming more frequent (belly tightening without pain), Possible pelvic pain and pressure as baby grows heavier

View details →
27

Week 27

2nd Trimester
🍊Cauliflower•14.4 inches, 2 pounds

Baby Development:

Baby can recognize and respond to your voice, your partner's voice, and familiar sounds

Common Symptoms:

Preparing physically and mentally for third trimester, Possible sciatic nerve pain shooting down legs from baby's position

View details →
28

Week 28

3rd Trimester
🎃Eggplant•14.8 inches, 2.2 pounds

Baby Development:

Welcome to the third trimester - the final stretch!

Common Symptoms:

Shortness of breath as uterus pushes up on diaphragm, Trouble sleeping due to size, discomfort, and frequent bathroom trips

View details →
29

Week 29

3rd Trimester
🎃Butternut squash•15.2 inches, 2.5 pounds

Baby Development:

Baby is delivering stronger, more forceful kicks that may even be visible through your belly

Common Symptoms:

Severe heartburn and acid reflux as stomach is compressed, Hemorrhoids from increased pressure and constipation

View details →
30

Week 30

3rd Trimester
🎃Cabbage•15.7 inches, 3 pounds

Baby Development:

Lanugo (fine downy hair) is gradually disappearing from most of baby's body

Common Symptoms:

Noticeable swelling (edema) in hands, feet, ankles, and possibly face, Intensifying backaches from carrying extra weight and shifted center of gravity

View details →
31

Week 31

3rd Trimester
🎃Coconut•16.2 inches, 3.3 pounds

Baby Development:

All five senses are fully functioning and processing information

Common Symptoms:

Braxton Hicks contractions becoming more frequent and intense, Pelvic pain and pressure (SPD - symphysis pubis dysfunction) from loosening joints

View details →
32

Week 32

3rd Trimester
🎃Jicama•16.7 inches, 3.8 pounds

Baby Development:

Baby practices breathing movements regularly to strengthen respiratory muscles

Common Symptoms:

Frequent urination as baby presses heavily on bladder, Increased breast leakage of colostrum (pre-milk)

View details →
33

Week 33

3rd Trimester
🎃Pineapple•17.2 inches, 4.2 pounds

Baby Development:

Skull bones remain soft and unfused with fontanelles (soft spots) to allow molding during birth

Common Symptoms:

More frequent and intense Braxton Hicks contractions, Noticeable forgetfulness and "pregnancy brain" from hormonal changes

View details →
34

Week 34

3rd Trimester
🎃Cantaloupe•17.7 inches, 4.7 pounds

Baby Development:

Vernix caseosa (protective waxy coating) thickens to protect skin during birth

Common Symptoms:

Possible vision changes from fluid retention affecting cornea shape, Increased fatigue as pregnancy becomes more physically demanding

View details →
35

Week 35

3rd Trimester
🎃Honeydew melon•18.2 inches, 5.3 pounds

Baby Development:

Baby is running out of room and movements may feel different - more rolling than kicking

Common Symptoms:

Very frequent urination as baby presses on bladder constantly, Intense pelvic pressure and possible lightning (baby dropping)

View details →
36

Week 36

3rd Trimester
🎃Romaine lettuce•18.7 inches, 5.8 pounds

Baby Development:

Baby is gaining approximately one ounce per day now

Common Symptoms:

Significantly increased Braxton Hicks contractions that may take your breath away, Pelvic pressure intensifies as baby descends into birth position

View details →
37

Week 37

3rd Trimester
🎃Swiss chard•19.1 inches, 6.3 pounds

Baby Development:

Baby is officially full term - congratulations!

Common Symptoms:

Mix of excitement and nervousness about meeting baby, Very strong nesting instinct with urges to clean and organize

View details →
38

Week 38

3rd Trimester
🎃Leek•19.6 inches, 6.8 pounds

Baby Development:

Baby continues gaining weight at about 1 ounce per day

Common Symptoms:

Cervix may be dilating and effacing (thinning) in preparation, Possible bloody show (mucus plug discharge with blood)

View details →
39

Week 39

3rd Trimester
🎃Mini watermelon•19.9 inches, 7.3 pounds

Baby Development:

Baby is continuing to gain weight and add final fat layers

Common Symptoms:

Lightning crotch pains - sharp shooting pains in pelvis and vagina, Increased contractions that may be irregular or regular

View details →
40

Week 40

3rd Trimester
🎃Small pumpkin•20.2 inches, 7.6 pounds

Baby Development:

Baby is ready to meet you and fully prepared for life outside!

Common Symptoms:

Emotionally and physically ready to meet your baby, Possible increased contractions that may start and stop

View details →

Major Pregnancy Milestones

💓

Week 6-7

First Heartbeat

Baby's heart begins beating and can often be detected on ultrasound. This is an emotional milestone for many parents.

🔬

Week 10-13

End of Embryonic Stage

Baby graduates from embryo to fetus. All major organs have formed and will continue developing.

🎀

Week 16-20

Gender & Anatomy Scan

Find out baby's sex and see detailed anatomy. Healthcare providers check all major organs and structures.

🦋

Week 18-22

Quickening

Feel baby's first movements. What starts as flutters becomes distinct kicks and rolls as weeks progress.

🏥

Week 24

Viability

Baby reaches viability milestone. With medical support, babies born at this stage have survival potential.

👶

Week 37-40

Full Term

Baby is fully developed and ready to meet you! Labor could begin at any moment during these final weeks.

Important Appointments & Tests

Week 8-10

First Prenatal Visit

Initial appointment, blood work, dating ultrasound, medical history review

Week 11-14

First Trimester Screening

Nuchal translucency scan, NIPT blood test for genetic screening

Week 18-22

Anatomy Scan

Detailed ultrasound checking baby's development, gender reveal possible

Week 24-28

Glucose Screening

Test for gestational diabetes with glucose tolerance test

Week 35-37

Group B Strep Test

Quick swab test to check for GBS bacteria

Week 36-40

Weekly Checkups

Frequent monitoring of baby position, cervical changes, and vital signs

Explore Your Pregnancy Journey

📅 Week by Week

Detailed info for each week

💭 Symptoms

Track symptoms timeline

📏 Size Chart

Baby growth comparison

📖 Trimester Guide

Overview of all 3 stages