Second trimester
Pregnancy Week 25
Your baby is about the size of a rutabaga.
Size
rutabaga
Length
34 cm
Weight
660 g
Baby in week 25
Reflexes are developing. Skin still translucent but filling out.
What you may notice this week
Possible sciatic nerve pain. Hair may seem thicker.
Tips for week 25
- Try a body pillow between knees
- Gentle stretching helps sciatica
- Avoid heavy lifting
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.