Week 13

length

8 cm

You’re a third of the way through your pregnancy and your baby now has vocal chords, teeth and even fingerprints. Learn what to expect at this stage of your pregnancy below.


At around 8cm your baby is very active; stretching, kicking and turning, although they’re still far too small for you to feel anything. Their kidneys are starting to work by sending urine to the bladder.

Your baby’s head is now about a third of the size of their body and as the weeks progress their proportions become more like that of a newborn baby.

Right now your mammary glands and ducts are developing in time for the birth which can make your breasts feel lumpy. They’ll soon start making a thin yellow liquid called colostrum. This is packed with nutrients and will be the first milk that nourishes your baby after the birth before your regular milk starts to flow.

Your breasts may change dramatically during pregnancy and after the birth. Some doctors recommend switching to non-underwired bras. Although underwired bras haven’t been proven to be harmful, they may restrict the natural changes that your breasts go through and interfere with your developing milk ducts . Remember, the size of your breasts does not affect your ability to breastfeed. Even if your breasts are small, you should still be able to breastfeed if you choose to.

Learn about tiredness and fatigue in pregnancy >>

If you have any concerns about how your body is changing, why not call our Careline team on 800 6458 6262 (UAE)/ +971 4 420 9489 (Other countries) between the hours of 9am and 6pm Saturday to Thursday?

Join Aptaclub

Get week-by-week updates on your baby’s development and your pregnancy. Recieve expert advice, postal packs for your stage and much more

Know your baby’s
due date

When was the first day of your last
menstrual period?

Know your baby’s
due date

RESULT Estimated due date (40 week full term)

Continue to read more All dates are approximations and should only be considered as a reference.

Need advice?

Our team of experts is ready to answer your questions and support you on your journey from pregnancy to toddler hood. For more information and relevant advice, please contact us between 9am-6pm from Saturday to Thursday.

Live Chat