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Topics  >  Pregnancy by week

Pregnancy by week

A lot can change in a week, for both you and baby. Let's review pregnancy and baby development milestones, week by week.

women looks at pregnancy test

First trimester

First trimester preeclampsia screening test: What you need to know. 

two pregnant people walking and talking while carrying hand weights

Staying healthy while pregnant | Exercise while pregnant

Exercising during pregnancy may help reduce the risk of high blood pressure or preeclampsia

Giving birth | Newborn health

Newborn testing and treatment: The need-to-knows

Pregnant woman and man look at each other smiling with their hands on her baby bump.

Second trimester

Baby movement during pregnancy

Pregnant woman looks at computer smiling while holding her bump.

Life during pregnancy | Preparing to breastfeed

Prenatal colostrum collection

african american new born baby hand holding mom finger on white bed

Staying healthy while pregnant

Preterm birth: avoidable for you and your baby

Close-up Of Male Doctor Measuring Blood Pressure Of Pregnant Woman In Clinic

Why you should talk to your provider about blood pressure

Pregnant with twins & multiples

Pregnant with multiples: (Unofficial) week 1

Pregnant with twins & multiples

Pregnant with multiples: (Unofficial) week 2

Pregnant with twins & multiples

3 weeks pregnant with multiples

Pregnant with twins & multiples

4 weeks pregnant with multiples

Pregnant with twins & multiples

5 weeks pregnant with multiples

Pregnant with twins & multiples

6 weeks pregnant with multiples

Pregnant with twins & multiples

7 weeks pregnant with multiples

Pregnant with twins & multiples

8 weeks pregnant with multiples

Pregnant with twins & multiples

9 weeks pregnant with multiples

Pregnant with twins & multiples

10 weeks pregnant with multiples

Pregnant with twins & multiples

11 weeks pregnant with multiples

Pregnant with twins & multiples

12 weeks pregnant with multiples

Pregnant with twins & multiples

13 weeks pregnant with multiples

Pregnant with twins & multiples

14 weeks pregnant with multiples

Pregnant with twins & multiples

15 weeks pregnant with multiples

Pregnant with twins & multiples

16 weeks pregnant with multiples

Pregnant with twins & multiples

17 weeks pregnant with multiples

Pregnant with twins & multiples

18 weeks pregnant with multiples

Pregnant with twins & multiples

19 weeks pregnant with multiples

Pregnant with twins & multiples

20 weeks pregnant with multiples

Pregnant with twins & multiples

21 weeks pregnant with multiples

Pregnant with twins & multiples

22 weeks pregnant with multiples

Pregnant with twins & multiples

23 weeks pregnant with multiples

Pregnant with twins & multiples

24 weeks pregnant with multiples

Pregnant with twins & multiples

25 weeks pregnant with multiples

Pregnant with twins & multiples

26 weeks pregnant with multiples

Pregnant with twins & multiples

27 weeks pregnant with multiples

Pregnant with twins & multiples

28 weeks pregnant with multiples

Pregnant with twins & multiples

29 weeks pregnant with multiples

Pregnant with twins & multiples

30 weeks pregnant with multiples

Pregnant with twins & multiples

31 weeks pregnant with multiples

Pregnant with twins & multiples

32 weeks pregnant with multiples

Life during pregnancy

Dear Ovia, How to get my partner involved in baby preparations?

Pregnant with twins & multiples

33 weeks pregnant with multiples

Pregnant with twins & multiples

35 weeks pregnant with multiples

Pregnant with twins & multiples

34 weeks pregnant with multiples

Pregnant with twins & multiples

36 weeks pregnant with multiples

Pregnant with twins & multiples

37 weeks pregnant with multiples

Pregnant with twins & multiples

38 weeks pregnant with multiples

Pregnant with twins & multiples

39 weeks pregnant with multiples

Pregnant with twins & multiples

40 weeks pregnant with multiples

Second trimester

What you should know about doulas 

woman practices yoga

Staying healthy while pregnant | Exercise while pregnant

Interested in prenatal yoga? Start here

Pregnant woman with eyes closed reclines with headphones on

Life during pregnancy

How to manage anxiety about labor and motherhood

Woman speaks with a provider

Staying healthy while pregnant | Pregnancy mental health

Managing your prenatal mental health if you’ve experienced a loss before

Pregnant woman holds her bump

Staying healthy while pregnant | Pregnancy symptoms

How to cope with a challenging pregnancy

video-play

Pregnancy Videos

The benefits of breastfeeding

a woman lies on her back with her hand on her baby bump

Third trimester

What is perineal massage?

First trimester

Talking to your provider

Life during pregnancy | Preparing to breastfeed

10 interesting facts about breastfeeding

Life during pregnancy

Fun ways to reveal Baby’s sex

Giving birth

6 reasons why you should write a birth plan

Pastry chef, Lindsay and her family

Staying healthy while pregnant | Pregnancy nutrition

Meet bake-at-home mom, Lindsay Morrison

video-play

Pregnancy Videos

Breastfeeding how-tos

illustration of developing human baby at 33 weeks

Third trimester

33 weeks pregnant

illustration of developing human baby at 32 weeks

Third trimester

32 weeks pregnant

illustration of developing human baby at 31 weeks

Third trimester

31 weeks pregnant

illustration of developing human baby at 30 weeks

Third trimester

30 weeks pregnant

illustration of developing human baby at 29 weeks

Third trimester

29 weeks pregnant

illustration of developing human baby at 28 weeks

Third trimester

28 weeks pregnant

illustration of developing human baby at 27 weeks

Second trimester

27 weeks pregnant

illustration of developing human baby at 25 weeks

Second trimester

25 weeks pregnant

illustration of developing human baby at 24 weeks

Second trimester

24 weeks pregnant

illustration of developing human baby at 22 weeks

Second trimester

22 weeks pregnant

illustration of developing human baby at 21 weeks

Second trimester

21 weeks pregnant

illustration of developing human baby at 20 weeks

Second trimester

20 weeks pregnant

illustration of developing human baby at 19 weeks

Second trimester

19 weeks pregnant

illustration of developing human baby at 18 weeks

Second trimester

18 weeks pregnant

illustration of developing human baby at 17 weeks

Second trimester

17 weeks pregnant

illustration of developing human baby at 15 weeks

Second trimester

15 weeks pregnant

illustration of developing human baby at 14 weeks

Second trimester

14 weeks pregnant

illustration of developing human baby at 13 weeks

First trimester

13 weeks pregnant

illustration of developing human baby at 7 weeks

First trimester

7 weeks pregnant

illustration of human zygote at 6 weeks pregnant with developing buds

First trimester

6 weeks pregnant

illustration of developing human baby at 40 weeks

40 weeks pregnant

illustration of developing human baby at 39 weeks

39 weeks pregnant

illustration of developing human baby at 38 weeks

38 weeks pregnant

illustration of developing human baby at 37 weeks

Third trimester

37 weeks pregnant

illustration of developing human baby at 36 weeks

Third trimester

36 weeks pregnant

illustration of developing human baby at 35 weeks

Third trimester

35 weeks pregnant

illustration of developing human baby at 34 weeks

Third trimester

34 weeks pregnant

illustration of developing human baby at 26 weeks

Second trimester

26 weeks pregnant

illustration of developing human baby at 23 weeks

Second trimester

23 weeks pregnant

illustration of developing human baby at 16 weeks

16 weeks pregnant

illustration of developing human baby at 12 weeks

First trimester

12 weeks pregnant

illustration of developing human baby at 11 weeks

First trimester

11 weeks pregnant

illustration of developing human baby at 10 weeks

First trimester

10 weeks pregnant

fetus at 9 weeks

First trimester

9 weeks pregnant

illustration of developing human baby at 8 weeks

First trimester

8 weeks pregnant

illustration of human zygote at 5 weeks pregnant

First trimester

5 weeks pregnant

illustration of developing fertilized egg with three germ layers

First trimester

4 weeks pregnant

illustration of fertilized egg implanted into uterine wall

First trimester

3 weeks pregnant

illustration of blastocyst developing and inset image of fallopian tube

First trimester

2 weeks pregnant

illustration of sperm going into egg

First trimester

1 week pregnant

First trimester

First trimester medical tests

illustration of developing human baby at 42 weeks

Third trimester

42 weeks pregnant

illustration of developing human baby at 41 weeks

Third trimester

41 weeks pregnant

Giving birth

The comfort of crafting a birth plan

Introducing the amniotic sac

pregnant woman standing on a scale

First trimester

First trimester weight gain

doctor checking on pregnant woman

Giving birth | Labor and delivery

When do healthcare providers induce overdue babies?

video-play

Pregnancy Videos

The working and breastfeeding mom

Sleeping Infant

Second trimester

When do babies start dreaming?

pregnant woman cradling stomach

Third trimester

Third trimester guide: Baby, here we come!

pregnant woman playing music for baby

Life during pregnancy

Playing music to Baby

kissing pregnant couple

Staying healthy while pregnant | Sex During Pregnancy

Sex during the third trimester

pregnant couple embracing

Second trimester

Second trimester guide: time to coast

Woman in nursery packing hospital bag

Giving birth | Labor and delivery

Unexpected items to pack in your hospital bag

Pregnant woman sitting on bed peacefully

In the womb

Talking to Baby

Couple feeling baby's kicks

Second trimester

Counting baby’s kicks

doctor measuring pregnant woman's stomach

First trimester

Measuring baby

woman holding ultrasound of twins

Pregnant with twins & multiples

Carrying twins: What you need to know

twins wrapped in blankets

Pregnant with twins & multiples

Things you do and don’t need two of for multiples

woman holding newborn baby's head

First trimester

Baby’s skull development, in your womb and out!

woman and doctor looking at ultrasound

Staying healthy while pregnant | Prenatal Testing & Screening

Fetal testing: everything you need to know

baby shoes on top of calendar

How to Use Ovia Pregnancy | Tracking your pregnancy

40 weeks pregnant: your weekly calendar

woman smiling at pregnancy test

First trimester

Early signs of pregnancy

couple holding sonogram

First trimester

First trimester guide: getting the hang of things

article_15003.jpg

Pregnant with twins & multiples

Preparing your nursery for multiples

video-play

Pregnancy Videos

Crying over spilled milk

mother breastfeeding baby

Life during pregnancy | Preparing to breastfeed

What does breastfeeding feel like?

video-play

Pregnancy Videos

Storing and sending milk

Your baby and pre-language

Life during pregnancy | Baby gear

Pacifiers for Baby

video-play

Pregnancy Videos

Getting familiar with the unfamiliar

video-play

Pregnancy Videos

Nourishing mama

video-play

Pregnancy Videos

Picking the pump

video-play

Pregnancy Videos

It takes a village

Life during pregnancy | Baby Names

Your baby’s name is just a swipe away!

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Giving birth

Making your child a legal person

Third trimester

Things to do in the last weeks of pregnancy

article_15024.jpg

8 ways to keep busy when you’re overdue

doctor icon

Second trimester

Second trimester, provider appointment #3 (week 24)

woman lying with baby outside on a picnic blanket reading a book

Life during pregnancy | Baby Names

Popular baby names and their meanings

Pregnant with twins & multiples

Matching names for multiples

Life during pregnancy

How to be a more confident parent

doctor taking pregnant woman's blood pressure in doctor's office

First trimester

First trimester medical tests

doctor icon

First trimester

First trimester, provider appointment #2 (week 12)

doctor icon

Third trimester

Third trimester, provider appointment #7 (week 38)

Getting through disappointment with the sex of my child

Pregnant with twins & multiples

Being pregnant with twins, triplets and other multiples

Pregnant with twins & multiples

How being pregnant with multiples can affect your health

Third trimester

Calculating Baby’s due date

Life during pregnancy | Baby Names

Baby naming strategies

parent titles in LGBTQ+ families

Life during pregnancy | Bringing baby home

A parent by any name: Parenting titles in LGBTQ families

Giving birth | Newborn health

Feeding your newborn: Baby’s gotta eat

Pregnant with twins & multiples

7 ways to prepare for multiples

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Third trimester

Third trimester, provider appointment #8 (week 39)

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Third trimester

Third trimester, provider appointment #6 (week 37)

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Third trimester

Third trimester, provider appointment #5 (week 36)

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Third trimester

Third trimester, provider appointment #4 (week 34)

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Third trimester

Third trimester, provider appointment #3 (week 32)

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Third trimester

Third trimester, provider appointment #2 (week 30)

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Third trimester

Third trimester, provider appointment #1 (week 28)

pregnant woman getting her insulin tested by a doctor

Staying healthy while pregnant | Prenatal Testing & Screening

Gestational diabetes: what you need to know

doctor icon

Second trimester

Second trimester, provider appointment #2 (week 20)

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Second trimester

Second trimester, provider appointment #1 (week 16)

doctor icon

First trimester

First trimester, provider appointment #1 (week 8)

Staying healthy while pregnant | Prenatal Testing & Screening

First trimester miscarriage: what you need to know

Giving birth | Newborn health

Apgar score: what it is and how to interpret it

pregnant woman lying on couch with headphones on her stomach

Giving birth | Newborn health

Infant education: Baby genius

pregnant woman reading photo album of baby milestones

Third trimester

Baby’s milestones during pregnancy

mother playing with a baby with a full head of hair

Second trimester

What is lanugo?

Third trimester

Vaginal discharge in the third trimester

doctor icon

Third trimester

Third trimester, provider appointment #9 (week 40)

Converting weeks to months pregnant

Image of health symbol, the caduceus.

Leaking breasts: What it is and why it happens

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