Second trimester
Pregnancy Week 18
Your baby is about the size of a bell pepper.
Size
bell pepper
Length
14 cm
Weight
190 g
Baby in week 18
Yawning and hiccupping happen. Ears stand out from the head.
What you may notice this week
Anatomy scan typically scheduled this week or next. Bigger appetite.
Tips for week 18
- Schedule your anatomy ultrasound
- Take photos of your bump
- Make a birth plan draft
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.