Baby is the size ofan apple
TrimesterSecond
MonthMonth 4
Weeks to due date25
👶 Your baby at 15 weeks
- Bones are hardening and show on a scan.
- The baby can sense light through closed eyelids.
🤰 Your body at 15 weeks
- Nosebleeds and bleeding gums are common because of increased blood flow.
✅ To do this week
- If you missed first-trimester screening, the quadruple marker blood test is done between 15 and 20 weeks.
🚨 When to call your doctor
- Vaginal bleeding or fluid leaking
- Severe tummy pain or cramping
- Fever over 38 °C
- Severe headache, blurred vision or sudden swelling of face or hands
- Vomiting so much you cannot keep fluids down
Find exactly how many weeks and days pregnant you are today, your trimester and your due date.
See your baby's average weight and length for any week of pregnancy (8–42 weeks), the normal weight range, and a size comparison, with a full fetal growth chart.
Find how much weight you should gain in pregnancy — in total and by each week — from your pre-pregnancy weight and height, using the IOM 2009 guidelines, with a week-by-week chart in kg.
Find how many calories you need a day in each trimester of pregnancy, by your weight, height, age and activity, using Indian (ICMR), US (IOM) or UK (NHS) guidelines.
❓ Frequently asked questions
How many months is 15 weeks pregnant?
15 weeks is in month 4 of pregnancy as months are usually counted (about 3.4 calendar months since your last period), in the second trimester.
How big is the baby at 15 weeks?
About the size of an apple: around 16.7 cm long and 117 g (4.1 oz).
What should I do at 15 weeks pregnant?
If you missed first-trimester screening, the quadruple marker blood test is done between 15 and 20 weeks.
🔁 Nearby weeks