First trimester
Pregnancy Week 10
Your baby is about the size of a kumquat.
Size
kumquat
Length
31 mm
Weight
4 g
Baby in week 10
Vital organs are functional. Fingernails begin forming. The fetus can swallow amniotic fluid.
What you may notice this week
Possible visible "bump" in second-time moms. Hair may grow faster.
Tips for week 10
- Schedule your NT scan (typically 11–14 weeks)
- Eat fiber-rich foods to combat constipation
- Stay active
Tools that pair with this week
Due Date Calculator
Estimate your delivery date by last period or conception date. Naegele’s rule plus cycle adjustments.
Week Tracker
See exactly how many weeks and days pregnant you are, plus your trimester and key milestones.
Contraction Timer
Tap once to start, once to stop. Tracks duration, frequency, and pattern over time.
Ovulation Calculator
Find your fertile window based on your cycle length. Plan or avoid with confidence.
Baby Name Generator
Filter by origin, style, length, and starting letter. Boys, girls, and unisex.
Growth Percentile
Plot your baby’s weight, length, and head circumference against WHO percentile curves.