🤰 10 Weeks Pregnant

You are in week 10 of your pregnancy — the first trimester, month 3. Your baby is about the size of a kumquat. Vital organs are formed and starting to work: the kidneys make urine.

By the Power Calculators team Updated 5 Nov 2026

Baby is the size ofa kumquat

TrimesterFirst

MonthMonth 3

Weeks to due date30

Your baby at 10 weeks

Vital organs are formed and starting to work: the kidneys make urine.
Fingernails and hair follicles start forming.

Average length	3.1 cm (1.2 in), crown to rump
Average weight	4 g (0.1 oz)
Size comparison	A kumquat
Days completed	70 of 280 (25%)

Your body at 10 weeks

Visible veins and a slightly rounded tummy are common.

To do this week

Book the 11–13 week NT scan and first-trimester screening (double marker) if your doctor recommends it.

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

Pregnancy Due Date Calculator

Find your estimated due date, conception date and how far along you are, from the first day of your last period.

Pregnancy Week Calculator

Find exactly how many weeks and days pregnant you are today, your trimester and your due date.

When to Take a Pregnancy Test Calculator

Find the earliest day to take a pregnancy test and the most accurate day, from your last period and cycle length, with implantation dates and test accuracy by day.

Frequently asked questions

How many months is 10 weeks pregnant?

10 weeks is in month 3 of pregnancy as months are usually counted (about 2.3 calendar months since your last period), in the first trimester.

How big is the baby at 10 weeks?

About the size of a kumquat: around 3.1 cm long and 4 g (0.1 oz).

What should I do at 10 weeks pregnant?

Book the 11–13 week NT scan and first-trimester screening (double marker) if your doctor recommends it.