Pregnancy development week by week
Get a week-by-week overview of how your baby is growing, what you might feel, which checkups to plan, and the questions to bring to each prenatal visit. Use this tool alongside the SnooBu app to stay organised and supported throughout pregnancy.
Tailored pregnancy guidance each week
Explore what is changing for your baby, how your body might feel, and the checkups to plan for every week of pregnancy. Move the slider or jump to a trimester to get personalised action items and watch-outs.
Week 20
What to expect at week 20
Use these tailored insights to plan appointments, self-care, and conversations with your care team this week.
Baby's development
- -You are halfway through pregnancy; baby practises swallowing and produces meconium.
- -Skin thickens and lanugo covers the body for insulation.
How you might feel
- -Fetal kicks become more consistent and stronger.
- -Braxton Hicks tightening may appear after activity or dehydration.
Action plan
- -Review anatomy scan results and note any follow-up appointments.
- -Start researching paediatricians and childcare options.
- -Consider a maternity support belt for added comfort.
Checkups & tests
- -Mid-pregnancy ultrasound results are reviewed with your provider.
- -Fundal height measurements begin to track growth.
Watch for
- -More than four painful contractions in an hour could signal preterm labour.
- -Leaking fluid or bleeding requires immediate evaluation.
Questions for your provider
- -Ask about normal patterns of Braxton Hicks versus true contractions.
- -Discuss how to count fetal movements later in pregnancy.
Key prenatal checkpoints
Keep these major milestones on your calendar. Your provider may adjust timing based on your health history.
First prenatal visit
Baseline labs, dating ultrasound, health history review, and scheduling future appointments.
Genetic screening window
Options include NIPT, first trimester bloodwork, and nuchal translucency ultrasound.
Anatomy ultrasound
Detailed scan of organs, placenta location, growth, and sometimes fetal sex.
Glucose screening
Screening for gestational diabetes plus anaemia labs and Rh immune globulin if indicated.
Vaccines and kick counts
Tdap for whooping cough protection; start daily fetal movement tracking and review preterm labour signs.
Group B strep screening
Vaginal and rectal swab determines if antibiotics are needed in labour.
Weekly visits and birth planning
Blood pressure monitoring, optional membrane sweeps, and induction planning if you near 41-42 weeks.
Keep exploring SnooBu tools
Try our pregnancy calculator, baby name generator, and baby meal planner to support every milestone of your journey.