Not only are fingers and toes separated, or separating, by now, but fingernails are starting to appear. The iris is formed in the eye.
The baby will be kicking and stretching but you won’t feel it until it’s big enough to be pushing against you.
This is the end of the first trimester, the first third of pregnancy. Your risk of miscarriage drops greatly.
You are now officially in the second trimester. Your midwife will be able to feel the top of your growing womb.
The baby’s need for oxygen has increased and so your heart will have enlarged to pump about 20% more blood.
Your baby will react if your stomach is poked or pressed. The baby is also becoming sensitive to light outside the womb.
As well as darker and enlarged areolas, your breasts will be getting bigger. They are preparing to make milk for the baby.
Your baby is now 20.5cm total length and weighs about 7 ounces (198 grams). The bones are continuing the ossification process.
This is an impressive week for growth! The baby will increase in weight to 8 ounces (227 grams).
This is your first chance to get a proper look at the baby – at the 20-week ultrasound scan. It doesn’t have to be at exactly 20 weeks.