Stage 2 of 5

Week by Week

The signature Pregnancy Lounge series: what is changing for you and your baby, one week at a time across all 40 weeks.

Guides

Pregnancy Week 22

This week your baby is about 8 inches in length (crown-to-rump) and weighs about a pound. Your baby's liver is now starting to function and his or her hair…

Pregnancy Week 23

This week your baby is over 8 inches in length (crown-to-rump) and weighs a little over a pound. Your baby's pancreas is developing well and is even…

Pregnancy Week 24

Your baby is about 8 1/2- 9 inches in length (crown-to-rump) and weighs about 1 1/2 pounds. Your baby's lungs are gaining blood vessels now, preparing them…

Pregnancy Week 25

This week your baby is about 9 1/2 - 10 1/2 inches in length (crown-to-rump) and weighs almost 1 3/4 pounds. This week your baby's heart should be so strong…

Pregnancy Week 26

Your baby is about 11- 11 1/2 inches in length (crown-to-rump) and weighs about 1 1/2 pounds. Capillaries (tiny blood vessels) start to develop under your…

Pregnancy Week 27

This week your baby is about 12 inches (crown-to-rump) and weighs about 2 pounds. Your baby's lungs are developing more and more and the chances for…

Pregnancy Week 28

Your baby is almost 13 inches in length (crown-to-rump) and weighs almost 2 3/4 pounds. Your baby already appears a lot like he or she will look at birth,…

Pregnancy Week 29

Up until now, we've been measuring your baby's crown-to-rump length. In pregnancy week 29, your baby's total length from head to toe is 16-17 inches and…

Pregnancy Week 9

This week 9 of pregnancy your baby is about an inch in length (crown-to-rump) and weighs about a gram. Your baby's rapid growth is phenomenal! All the major…

Early Pregnancy Symptoms

Did you know that some women experience pregnancy symptoms as early as one week after conception? This is true however uncommon. Below you will find a list…

Pregnancy Week 1

This is the beginning of your pregnancy journey and week 1. It is one of the most fascinating and magical journeys you may ever go through in your life.…

Pregnancy - Week 12

BABY By the end of this week of pregnancy, your baby will be about 2 1/2 inches in length (crown-to-rump) and will weigh about 14 grams. Your baby's…

Pregnancy Week 21

Your baby is about 7 1/2- 8 inches in length (crown-to-rump) in pregnancy week 21 and weighs about 10 ounces. Your baby's bones are growing harder, stronger…

Pregnancy Week 2

If you are pregnant and at what you think is 2 weeks, this begins one week after the start of your last menstrual period. Your last period is finished now…

Pregnant Week 3

In your pregnancy, you are now in week 3. About 2 weeks before your next expected menstrual period (at the beginning of this week), the amount of estrogen…

Pregnancy Week 30

This week your baby is over 17 inches in length and weighs close to 3 pounds. The lanugo which covered your baby's body is beginning to shed now and is…

Pregnancy Week 31

This week of pregnancy, your baby is about 18 inches in length and weighs almost 3 1/2 pounds. Your baby's lungs and digestive tract are almost fully…

Pregnancy Week 32

This week your baby is about 18 inches in length and weighs close to 4 pounds. Your baby continues to fill out, gain weight and is taking up much of the…

Pregnancy Week 33

Your baby is about 19 inches in length and weighs about 4 1/3 pounds. Your baby may respond to loud noises, and is able to recognize familiar sounds such as…

Pregnancy Week 34

This week of pregnancy, your baby is almost 19 inches in length and weighs almost 5 pounds now. Your amitotic fluid will reach its maximum capacity this…

Pregnancy Week 35

This week of pregnancy, your baby is about 19 1/2 - 20 inches in length and weighs over 5 pounds. Your baby is developing immunities to mild infections,…

Pregnancy Week 37

This week of pregnancy, your baby is about 20 - 21 inches in length and weighs at least 6 pounds. Your baby is now considered to be "full term" and if born…

Pregnancy Week 36

This week of pregnancy, your baby is about 20 - 20 1/2 inches in length and weighs about 6 pounds. During these last weeks of pregnancy, your baby puts on…

Pregnancy Week 38

This week your baby may be almost 21 inches in length and weighs around 7 pounds. Your baby is almost ready to be born now. Your baby's head circumference…

Pregnant Week 4

At the end of week 4 of pregnancy, you're probably expecting your menstural period (or crossing your fingers it won't come, if you were trying to conceive).…

Pregnancy Week 39

This week of pregnancy, your baby may be close to 21 inches and weighs over 7 pounds. All of your baby's organs are developed, in place and ready to…

Pregnancy Week 40

This week of pregnancy, your baby is about 21 inches in length and weighs probably close to 7 pounds. Full term babies weight varies greatly, so really your…

Pregnant Week 5

In your pregnancy, you are now in week 5. Your baby is now called an embryo and is about 1/16 of an inch long. All of your baby's major organs are under…

Pregnant Week 6

Your baby is about 1/2 of an inch in length (from crown to rump) and is experiencing rapid growth. Limb buds begin to appear on the body, which will later…

Pregnant Week 7

This week of pregnancy your baby is about 1/3 of an inch in length now (crown-to-rump) and continuing to develop and grow very rapidly. Facial…

Pregnancy Week 8

At week 8 of your pregnancy your baby is a little more than 1/2 of an inch in length (crown-to-rump) and changing shape, becoming more and more recognizable…

Your Pregnancy Week by Week

It is important that you know how your pregnancy is going which is why we put our pregnancy week by week guide together for our readers. Find sections…

A note on care: information on this page is educational. Symptoms vary, and only a qualified provider can assess your individual pregnancy. If something feels wrong, call your doctor, midwife, or maternity unit.