You are now 16 weeks pregnant, which is the beginning of week 17.

Your baby is about 17 cm long (6.7 inches) from head to toe and weighs approximately 200 grams (or 7 ounces). Your baby is now bigger than their placenta, but you could still cradle them in one hand.


The amniotic fluid around your baby is increasing, allowing them to move freely, floating like an astronaut in space. However, most women can't feel these movements just yet. Your baby's umbilical cord is now completely mature. Their cord contains two arteries and one vein, enclosed and protected by a thick, gristle-like substance called Wharton's Jelly. This makes the cord slippery and allows it to move freely around your baby and resist compression.


Did you know? The cord contains no nerves (similar to your hair or fingernails) so when it is cut after the birth there is no pain experienced by either mother or baby.


Physical changes


If you lie down, the top of your uterus (or fundus) can be felt about half-way between your pubic bone and belly button. It may be harder for you to bend over now to pick things up (or lift your toddler). Always, use your legs to bend to help protect your back.




You may notice colostrum leaking from your breasts, although this does not happen for every pregnant woman. The presence (or absence) of colostrum does not affect your ability to breastfeed your baby. Colostrum is the first fluid a woman's breasts produce. It is clear, or creamy-yellow, and syrupy in consistency. If you are leaking colostrum and it is becoming annoying, you may need to wear breast pads inside your bra.


Emotional reactions


You may be feeling a mixture of emotions. Common thoughts can include reflecting on how you were parented and how this may affect the way you will parent your own child. You may seek out other mothers, or feel you want to spend more time with your own mother. If your mother is no longer living this can bring up feelings of grief about not having this time with her now.


As the pregnancy progresses, partners may also experience a mixture of emotions. Most find it difficult to connect with the reality of their baby, perhaps until they see an ultrasound image or feel them move by touching the woman's belly (which may not happen until after 24 weeks or so).

It is natural for partners to feel very protective of the woman and their unborn baby, especially as the woman's belly grows.

Other considerations


Choosing how to feed your baby


Women need to feel supported in their decision about how they will feed their baby. This choice is not always simple and involves considering a complex range of physical, social, cultural, and emotional issues. However, the most important aspect is that your decision is an informed one, based on reliable information.

This article contains general information only and is not intended to replace advice from a qualified health professional.

Your pregnancy - Week 16

   Second Trimester


  Week 13             Week 25 


    Week 14             Week 26


    Week 15             Week 27


    Week 16            Week 28


    Week 17


    Week 18


    Week 19


    Week 20


    Week 21


    Week 22


    Week 23


    Week 24






































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