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12 weeks pregnant: your baby

In the twelfth week of pregnancy your baby is three times the size he was in week 9 and may weigh as much as a ½ ounce (14g).

At this point all of your baby’s major organ systems have formed so they only need to grow and get some practice before they can function without your support. Your baby also has opposable thumbs, fully formed facial features, reflexes and can swallow which means he will probably soon get the hiccups.

This is a good week to visit your physician, because chances are you’ll hear your baby’s heartbeat!

What’s happening to your body this week?

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