If there’s one dream that millions of people around the world share, it’s to grow up and start a family.

Those dreams come complete with white picket fences, sprawling backyards, and laughing kids running around when the weather finally gets warm. And that’s a beautiful thing. In fact, pregnancy itself is pretty spectacular.

But even in the presence of so much beauty, there are a few things about pregnancy that are…well…a little weird. After all, something as hardcore as creating another human life is bound to have its creepy charms.

1. The only scientifically proven way to induce labor without medication is nipple stimulation. It’s a practice known as “the comfort technique.”

2. Pregnant women who suffer from heartburn are more likely to give birth to babies with full heads of hair.

3. Babies develop fingerprints during the first trimester.

4. New mothers and pregnant women can lactate at the sound of babies crying (and they don’t need to be their own).

5. A baby girl is born with all of the eggs she’ll use in a lifetime.

6. Babies pee in the womb and then drink that pee. Yum.

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7. One out of every 2,000 babies is born with a tooth.

8. A full-term pregnant woman can produce more estrogen in a day than a non-pregnant woman can over the course of a few years.

9. A woman’s uterus can expand to over 500 times its normal size.

10. It’s not likely, but it’s possible for a woman to become pregnant through oral sex.

11. If you give birth to a son, you are more likely to develop an autoimmune disease.

12. In the womb, babies are known to cry.

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13. Babies can taste the foods that their mothers eat while they’re in the womb.

14. There are more twins born in Central Africa than anywhere else in the world.

15. The longest pregnancy ever lasted over a year! That poor woman.

16. During pregnancy, a woman’s heart and feet increase in size.

17. Blood volume increases when carrying a child, which leads to pregnant women getting frequent nosebleeds.

18. About 90 percent of women experience changes in skin tone during pregnancy.

19. Pregnant women experience a heightened sense of smell, which is supposed to protect them from eating foods that’d be bad for the baby.

20. Newborns, on average, are getting heavier and heavier every year.

21. After pregnancy, it is common for women to experience hair loss.

22. Pregnant women are more likely to break bones because heightened hormone levels affect bone density.

(via Mom.me)

Pregnancy is a wonderful thing, but that doesn’t mean that the process isn’t a little wacky. Props to all the ladies out there who have endured the miracles of pregnancy and birth! You are tougher than the rest of us.

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