Pregnancy calendar: week 18 of being pregnant - A dark line, which goes from your navel to your pubic bone, called the linea nigra, may appear at this time.
Your heart is working 40 to 50 per cent harder than normal. You may be feeling your baby more by now, but many women don't feel anything until as late as 22 weeks. A dark line, which goes from your navel to your pubic bone, called the linea nigra, may appear at this time.
Your baby can pull complex facial expressions such as yawn and pull faces and can even frown. Your baby's bones are forming rapidly, adults have around 212 bones but foetuses have more as they fuse together later in life. Your baby will be able to grasp his or her hands, touch the cord, and suck his or her fingers and thumb. Fingers, arms and legs can all be flexed.
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