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11 Weeks Pregnant: Your Baby, Your Body and What to Do

Your baby is stretching out, and the head is still about half of the body length.

First trimesterWeeks 1 to 12
a figBaby is about the size of
about 4 cmApproximate length
about 7 gApproximate weight
29 weeks to goUntil week 40

Before you use this guide: Pregnancy weeks are counted from the first day of your last period. Sizes are rough averages, and healthy babies vary. This is general information, not an individual medical assessment, so please confirm personal health decisions with your doctor or midwife.

How your baby is growing

Your baby is stretching out, and the body is starting to catch up with the large head. The bones are hardening, tooth buds are forming, and the baby can open and close tiny fists. Nails are growing.

The genitals are beginning to take shape, although it is too early to tell on a scan. Your baby's kidneys are working and starting to produce urine.

How you may be feeling

Your waistband may feel tight, and you may feel hot or flushed because of the extra blood flow. Some people have headaches or stronger cravings, and others start to feel a bit better. Sleep can be broken by trips to the toilet or by feeling uncomfortable.

Your to-do list for week 11

When to ask for help

A little clear or white discharge is normal. Contact your doctor or midwife if you have bleeding, a leak of fluid, strong cramps or a high temperature.

For heavy bleeding, severe pain, fluid leaking, a severe headache with vision changes, or a baby who is moving less than usual, do not wait for your next appointment. Contact your midwife, doctor or maternity unit straight away. Our guide to pregnancy warning signs has more detail.

Trusted resources to read next

These public health resources provide additional information. Guidance can vary by country, so prioritise advice from your own care team and local health service.

This content is for general information only and is not medical advice. Every pregnancy and every baby is different. Always talk to your doctor, midwife or paediatrician about your own situation, and seek urgent care if you are worried.