First trimester
Week 7 of Pregnancy
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About the size of a blueberry
0.4 in · 1.0 cm · 0.0 oz · 0 g (crown to rump)
Your baby this week
- The brain grows at a remarkable pace — around 100 new cells per minute.
- Arm and leg buds lengthen; paddle-shaped hands form.
- Kidneys move into their permanent position.
What you may be feeling
- Nausea, often all day
- Hormonal acne
- Extra saliva for some
Gentle tips for this week
- Switch to a gentle, pregnancy-safe skincare routine for hormone-related breakouts.
- Keep snacks in your bag — an empty stomach usually makes nausea worse.
Common question for week 7
Is acne normal this early in pregnancy?
Yes. Rising hormones increase oil production, and breakouts in the first trimester are common. They often settle as hormones stabilize.
Every pregnancy is different. Sizes are averages, symptoms vary widely, and none of this replaces the guidance of your own provider.