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Pregnancy Week-by-Week

20 Weeks Pregnant

If you’re having a girl, check out the crazy stuff happening with her this week. Is your uterus doing its “sit-ups” yet? Plus, how to sleep safely.

  • Baby at 20 Weeks Pregnant 🚼

    Judo chop! Are you feeling Baby Natural kick yet? Baby is growing larger and stronger, measuring over 6 inches from crown to rump, and weighing in at around 10 ounces. Double digits, baby!

    This is the week where many mamas get an ultrasound to—among other things—discover the sex of baby. Yes, at this stage it’s common for experienced sonographers to spot a little dangler between baby’s legs… or not.

    There’s a lot going on inside your little boy or girl as well. If it’s a boy, his testicles have begun to drop from his abdomen toward his scrotum. If it’s a girl, her ovaries now hold a whopping 7 million eggs (although these will decrease in number to around 2 million by the time she’s born).

    Baby’s eyelids have been fused shut up until now, but around this week she may be opening them! (Not that there’s a ton to see just yet.)

    20 weeks pregnant - Mama Natural pregnancy week by week
  • You at 20 Weeks Pregnant 🚺

    You're halfway there, mama! WOOT! How awesome is that?! This is a BIG MILESTONE! (Little reminder, now you can probably hear baby’s heartbeat with a fetoscope!)

    Let’s talk about your big, beautiful belly this week. By now, you might have an outie instead of an innie (I'm talking belly buttons here). You might also notice a faint dark line down your belly (what in the world?!). This is called linea nigra, and can be caused by the hormonal changes in pregnancy. It is very normal and usually fades completely postpartum.

    Speaking of bellies, have you noticed any cramping, tightening, or even muscle pain? Again, completely normal. These are called Braxton Hicks, and they are a good thing. Your uterus is doing her sit-ups as she trains for the big labor day event. I had them much more with my second pregnancy, and that birth went much faster. Strange as it sounds, some first-time moms will have them in their pregnancy and not even feel them.

    Braxton Hicks usually come on once (or a few) times per day, and don't last for long periods of time. If you notice that the cramping increases or becomes more pronounced, call your midwife right away.

    Learn more about Braxton Hicks contractions here.

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