No - the placenta grows around the fetus in the uterus as part of the pregnancy. The ovaries just supply hormones and the egg that gets fertilized.
yes there is theres a crap load of it why do you think it gets girls pregnant.
An egg gets fertilized in the fallopian tube by a sperm, then it goes inside of the uterus, and inside the uterus it develops.
Hiya, When women gets their period, its a sign that you are able to have babies. -A period is caused by a Egg releasing in your body, as the egg from your overies gets released ready for you to have a baby, but since you dont have sex, the egg isn't being used and gets flushed away -which causes your period [Blood] -Hope this helped.
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It's called hormones. My daughter is 10 yo and she gets them. Has recently started her period so could be related.
Chromosomes.
most girls it's because of their hormones. When a girl finds out a guy likes her she gets a whole new point of view on that person. also it sort of flatters her that someone actually cares about her
No. If the fertilized egg implants, no period will occur.
You are NOT fertile while having your period, pills or no pills. You are fertile when you have a mature egg ready to be fertilized. Menstruation -or the period- is the process through which your body gets rid of that egg, since it didn't get fertilized.
It hits puberty and its cells reproduce by mitosis and hormones are released and its reproductive organs grow and it gets a sex drive...
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