Baby is the size of an avocado
Trimester Second
Month Month 4
Weeks to due date 24
👶 Your baby at 16 weeksFacial muscles work and the baby may make expressions. The heart pumps about 25 litres of blood a day. 🤰 Your body at 16 weeksSome women, especially in a second pregnancy, feel the first flutters (quickening) from now. ✅ To do this weekIron and calcium tablets are usually started in the second trimester in India (MoHFW advises 180 days of IFA). 🚨 When to call your doctorVaginal 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.
← 15 weeks pregnant 17 weeks pregnant → ❓ Frequently asked questions
How many months is 16 weeks pregnant? 16 weeks is in month 4 of pregnancy as months are usually counted (about 3.7 calendar months since your last period), in the second trimester.
How big is the baby at 16 weeks? About the size of an avocado: around 18.6 cm long and 146 g (5.2 oz).
What should I do at 16 weeks pregnant? Iron and calcium tablets are usually started in the second trimester in India (MoHFW advises 180 days of IFA).
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