Pregnancy guide
Pregnancy guide by stage
Milestones · symptoms · checkups · cautions by stage
Pregnancy is a 40-week journey that changes from stage to stage. The Babymetric stage-by-stage guide brings together week-by-week fetal development and maternal changes, month-by-month overviews, and trimester-level checkups and cautions. All calculations stay in your browser — never sent to a server.
Trimesters
Months (1–10)
Weeks (1–40)
Frequently asked topics
- Early Pregnancy Symptoms The 13 most common signs in the first 1–4 weeks
- Implantation Bleeding Light early-pregnancy spotting — timing, color, vs. a period
- Morning Sickness The most common symptom of weeks 6–12 — timing, severity, and relief
- Pregnancy Foods What to eat, what to avoid, and what to limit
- Pregnancy Exercise Safe workouts by trimester — what to do and what to skip
- Pregnancy Weight Gain Recommended range by BMI, weekly targets, gaining too much or too little
- Fetal Movement When you first feel it, how it changes, and how to count kicks
- Nuchal Translucency (NT) The 11–13+6 week chromosomal screen — timing, normal range, results
- Gestational Diabetes 24–28 week screening · diagnostic targets · diet, exercise, insulin
- Preeclampsia New hypertension and proteinuria after week 20 — warning signs and response
Featured calculators
Textbook averages. Individual variation is wide and this is not medical advice — confirm with your OB.