🤰 8 Weeks Pregnant

You are in week 8 of your pregnancy — the first trimester, month 2. Your baby is about the size of a kidney bean. Fingers and toes begin to separate; eyelids form.

By the Power Calculators team Updated 5 Nov 2026

Baby is the size ofa kidney bean

TrimesterFirst

MonthMonth 2

Weeks to due date32

Your baby at 8 weeks

Fingers and toes begin to separate; eyelids form.
All major organs have started developing.

Average length	1.6 cm (0.6 in), crown to rump
Average weight	1 g (0 oz)
Size comparison	A kidney bean
Days completed	56 of 280 (20%)

Your body at 8 weeks

Your womb is about the size of a lemon and your clothes may feel tight at the waist.

To do this week

First antenatal visit (booking): blood group, Rh, haemoglobin, thyroid, blood sugar, HIV, hepatitis B, syphilis and urine tests are usually done.

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 8 weeks pregnant?

8 weeks is in month 2 of pregnancy as months are usually counted (about 1.8 calendar months since your last period), in the first trimester.

How big is the baby at 8 weeks?

About the size of a kidney bean: around 1.6 cm long and 1 g (0 oz).

What should I do at 8 weeks pregnant?

First antenatal visit (booking): blood group, Rh, haemoglobin, thyroid, blood sugar, HIV, hepatitis B, syphilis and urine tests are usually done.