15 weeks pregnant
At 15 weeks you are in month 4 and the second trimester. Your baby is about the size of an apple: 10.1 cm and 114 g.
As big as
apple
Length
10.1 cm
Weight
114 g
Month
4
Trimester
second trimester
To go
175 days
Averages. Measured crown to rump up to week 20, crown to heel after that. Healthy babies vary a lot.
Your baby this week
Bones are getting firmer; the baby hears muffled sounds.
Your body
A stuffy nose is common: your mucous membranes get more blood flow.
Good to know
The baby hears sounds from inside: your heartbeat, your gut and your voice.
To sort around these weeks
- The 20 week scan is usually planned between week 18 and 21.
- Many women feel the first movements in these weeks.
Follow your pregnancy week by week
In PERIOD. baby you see every week how big your baby is, what is happening and what you can arrange. No ads, and we never sell your data.
Frequently asked questions
How many months is 15 weeks pregnant?
15 weeks pregnant falls in month 4 of your pregnancy.
Which trimester is 15 weeks?
At 15 weeks you are in the second trimester.
How big is a baby at 15 weeks?
On average 10.1 cm, about the size of an apple. Healthy babies vary a lot.
How long to go at 15 weeks?
Until your due date (40 weeks): 25 weeks, 175 days.
All weeks
General information, not medical advice. If in doubt, call your midwife or GP. Sources: WHO fetal growth charts (Kiserud et al., PLoS Med 2017); Robinson and Fleming 1975; NHS, Your pregnancy and baby guide.