All,
So a friend of mine is planning a family and haven’t gotten pregnant yet. Her gynac said they it may happen right away or may take even a year to conceive. Well, i don’t really understand this.
If a fertile man and woman are having frequent sex, what really leads to not getting pregnant?
In: Biology
Why do some people flip a coin and it comes up heads 16 times in a row? Sometimes you hit the 1 in 65k chance. Arbitrary numbers, but rare things happen all the time with a large enough sample size (130-140 million babies born each year).
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