Why to female call for extra calcium?

well, the title mostly says it adjectives, why do female want extra calcium? and please no big words. (they scare me enough) okay.....maybe the diseases and sickness...
Answers:

Female condom within India?

Women lose a bit of calcium each month during their period, plus we use up calcium building bone all our lives. Men hold more bone than we do, but they don't lose any each month and their bones aren't other being rebuild the way ours are.
We also use calcium respectively month to make mothers milk, and when we don't own a baby we roughly pee out that milk (and the calcium in it).
And for pregnant and nursing women, we use closely of calcium to build the baby's bones and to brand the milk to nurse them.

I got so much gas. What can I do?

women neeed calcium to strengthen their bones, as we age we lose calcium and our bones become brittle (ostio porosis) and we attain what is call " Dowager Hump"./ thats the lump on the top of old-fashioned ladies backs and they hunch over when the totter ,, calcium helps your spine.and help you keep your teeth..

What is ovulation and how do i know when i start ovulating?

women requirement extra calcium because of the hormonal changes they experience respectively month.