Pregnancy Week by Week is a helpful guide for new moms who want simple information about baby development, pregnancy symptoms, trimester changes, labor and delivery, and preparing for birth.
Ultimate Pregnancy Week by Week Guide for New Moms
This Pregnancy Week by Week hub helps you follow pregnancy one week at a time with baby development updates, common symptoms, trimester tips, labor and delivery help, and helpful information for every stage.
How This Pregnancy Week by Week Guide Helps
Pregnancy Week by Week information can make pregnancy feel less confusing because each stage is broken into smaller, easier pieces. Instead of trying to understand the whole pregnancy at once, you can look at the week you are in and learn what may be happening next.
Pregnancy Week by Week Help for Every Stage
Pregnancy Week by Week updates can help new moms understand what may be happening with their baby, their body, and their symptoms as pregnancy moves forward.
This Pregnancy Week by Week hub is designed to make each stage easier to follow, from the early weeks before pregnancy is usually confirmed to the final weeks before birth.
Use this Pregnancy Week by Week guide as a starting point, then click each week to read more detailed information about baby development, common symptoms, appointments, and preparation tips.
A Pregnancy Week by Week layout is also helpful because every mom wants to know what is changing right now, what symptoms may be normal, and what questions may be worth asking at the next appointment.
This page also links to a full Labor and Delivery Guide so moms at the end of pregnancy can keep reading about contractions, water breaking, pain relief, birth plans, and what to expect at the hospital.
Pregnancy Week by Week
Pregnancy Week by Week pages help explain what may be changing each week. Each card below links to a separate week of pregnancy so readers can click the exact stage they are in and learn more.
Helpful note: Pregnancy dating usually starts from the first day of the last menstrual period. That means weeks 1 and 2 are often counted before conception, so those early pages should explain ovulation, pregnancy dating, and how doctors count pregnancy weeks.
1 Week Pregnant
Your body may be preparing for ovulation, but baby development has usually not started yet.
Read Week 12 Weeks Pregnant
Ovulation may happen soon. This week is often about timing, fertile days, and early preparation.
Read Week 23 Weeks Pregnant
Fertilization may happen around this time, and the earliest stage of pregnancy may begin.
Read Week 34 Weeks Pregnant
Implantation and early hormone changes may happen, and a pregnancy test may turn positive.
Read Week 45 Weeks Pregnant
Early pregnancy symptoms like fatigue, nausea, breast tenderness, and frequent urination may begin.
Read Week 56 Weeks Pregnant
Your baby is developing quickly, and nausea or exhaustion may feel stronger this week.
Read Week 67 Weeks Pregnant
Major development continues, and symptoms may include food aversions, bloating, and tiredness.
Read Week 78 Weeks Pregnant
Your baby is still tiny, but growing fast. Hormones and early pregnancy symptoms may be strong.
Read Week 89 Weeks Pregnant
Baby development keeps moving quickly, and mood changes, nausea, and fatigue may continue.
Read Week 910 Weeks Pregnant
Your baby is growing, and some early pregnancy symptoms may still feel intense.
Read Week 1011 Weeks Pregnant
The first trimester is moving along, and your body may still be adjusting to pregnancy hormones.
Read Week 1112 Weeks Pregnant
You are getting close to the end of the first trimester, and symptoms may begin easing soon.
Read Week 1213 Weeks Pregnant
The first trimester is ending, and some moms start to feel a little more energy.
Read Week 1314 Weeks Pregnant
The second trimester begins, and your baby continues growing while your bump may start showing more.
Read Week 1415 Weeks Pregnant
You may notice body changes, appetite changes, and a little more comfort than the first trimester.
Read Week 1516 Weeks Pregnant
Your baby is growing stronger, and some moms start watching for the first little flutters.
Read Week 1617 Weeks Pregnant
Your belly may be growing more, and your baby is becoming more active inside the womb.
Read Week 1718 Weeks Pregnant
Some moms feel movement around this stage, and the anatomy scan may be coming soon.
Read Week 1819 Weeks Pregnant
Your baby is growing quickly, and you may notice stretching, round ligament pain, or movement.
Read Week 1920 Weeks Pregnant
You are around the halfway point, and many moms have an anatomy scan around this time.
Read Week 2021 Weeks Pregnant
Your baby is growing more active, and your body may be adjusting to a bigger bump.
Read Week 2122 Weeks Pregnant
You may feel stronger movement, more stretching, and new changes in your skin or appetite.
Read Week 2223 Weeks Pregnant
Your baby is gaining strength, and movement may become easier to notice during quiet moments.
Read Week 2324 Weeks Pregnant
Your baby keeps growing, and your provider may start discussing more second trimester testing.
Read Week 2425 Weeks Pregnant
Your bump may feel more noticeable, and baby movement may start feeling more regular.
Read Week 2526 Weeks Pregnant
Your baby is growing fast, and you may notice backaches, heartburn, or trouble getting comfortable.
Read Week 2627 Weeks Pregnant
The second trimester is close to ending, and the third trimester is almost here.
Read Week 2728 Weeks Pregnant
The third trimester begins, and your baby is growing bigger, stronger, and more active.
Read Week 2829 Weeks Pregnant
Your body may feel more tired, and baby kicks, rolls, and stretches may feel stronger.
Read Week 2930 Weeks Pregnant
Your baby is taking up more room, and sleep, heartburn, and pelvic pressure may become harder.
Read Week 3031 Weeks Pregnant
Your baby continues gaining weight, and your body may need more rest and support.
Read Week 3132 Weeks Pregnant
You may feel stronger movement, more pressure, and more need to prepare for birth and baby.
Read Week 3233 Weeks Pregnant
Your baby is growing closer to birth size, and your body may feel more uncomfortable.
Read Week 3334 Weeks Pregnant
Birth prep may feel more real now. You may be thinking about hospital bags and newborn basics.
Read Week 3435 Weeks Pregnant
Your baby is getting closer to delivery, and pressure, swelling, and tiredness may increase.
Read Week 3536 Weeks Pregnant
Your provider may start checking baby position, symptoms, and signs that labor is getting closer.
Read Week 3637 Weeks Pregnant
Your baby is near delivery time, and you may be watching for labor signs and changes.
Read Week 3738 Weeks Pregnant
Your body may feel heavy, tired, and ready. Labor could happen soon for some moms.
Read Week 3839 Weeks Pregnant
Your baby is very close to birth, and your provider may review labor signs and delivery plans.
Read Week 3940 Weeks Pregnant
Your due date is here or close. Keep following your provider’s advice and call with concerns.
Read Week 40Pregnancy Week by Week Trimester Guides
Pregnancy Week by Week trimester guides help new moms understand the bigger stages of pregnancy, from early symptoms to baby movement, birth prep, and getting ready for postpartum recovery.
First Trimester Pregnancy Guide
This Pregnancy Week by Week first trimester section includes early pregnancy symptoms, major baby development, first appointments, nausea, fatigue, and emotional changes.
Read First Trimester GuideSecond Trimester Pregnancy Guide
This Pregnancy Week by Week second trimester section covers a growing bump, more energy for some moms, baby movement, and the anatomy scan.
Read Second Trimester GuideThird Trimester Pregnancy Guide
This Pregnancy Week by Week third trimester section helps with bigger baby growth, stronger movement, body changes, labor prep, and newborn planning.
Read Third Trimester GuidePregnancy Week by Week Symptoms by Stage
Pregnancy Week by Week symptoms can change from one stage to the next. These sections can become separate helpful pages for moms who are trying to understand what they are feeling.
Early Pregnancy Symptoms
This Pregnancy Week by Week symptoms section can explain missed period, nausea, breast tenderness, tiredness, mood changes, bloating, food aversions, and frequent urination.
Read Early SymptomsSecond Trimester Symptoms
This Pregnancy Week by Week symptoms section can cover a growing belly, appetite changes, round ligament pain, skin changes, more energy, and first baby movements.
Read Second Trimester SymptomsThird Trimester Symptoms
This Pregnancy Week by Week symptoms section can help moms understand back pain, pelvic pressure, heartburn, swelling, stronger movement, Braxton Hicks, and trouble sleeping.
Read Third Trimester SymptomsWhen to call your doctor: Call your healthcare provider right away for heavy bleeding, severe pain, severe headache, vision changes, chest pain, trouble breathing, fainting, fever, signs of preterm labor, or decreased baby movement later in pregnancy. This guide is for general education and does not replace medical care.
Pregnancy Week by Week Prep and New Mom Help
This Pregnancy Week by Week prep section helps connect pregnancy readers to your labor and delivery, baby, postpartum, and product pages so they keep moving through your site instead of leaving after one article.
Labor and Delivery Guide
Use this labor and delivery guide to learn about contractions, water breaking, labor signs, birth plans, support people, pain relief, and what to expect before delivery day.
Read Labor and Delivery GuidePostpartum Recovery
Healing after birth matters too. Read about comfort items, emotional support, C-section recovery, and the fourth trimester.
Read Postpartum RecoveryBest Baby Products
Get ready for baby with newborn basics for sleep, feeding, diaper changes, bath time, travel, and daily care.
View Baby ProductsMore Pregnancy Week by Week and Baby Resources
Keep reading: Labor and Delivery Guide · New Mom Guide · Baby Tips · Postpartum Recovery · Best Baby Products
For medical pregnancy information, visit ACOG: How Your Fetus Grows During Pregnancy and Office on Women’s Health: Stages of Pregnancy.