Birth control,
also known as contraception and fertility control, are methods or device used
to prevent pregnancy. Planning, provision and use of birth control is called
family planning. Birth control methods have effective and safe methods only
became available in the 20th century.
en.m.wikipedia.org/wiki/Birth_control
or
Various
contraceptive methods used by females also establish a relation between
fertility, fecundity and reproductive span. The excessive use of contraceptive
methods for difference between children or for bearing children according to
one's choice reduces the rate of fertility and the reproductive span. Besides,
it also affects fecundity among women. The physical capacity of bearing a child
also gets reduced with excessive use of contraceptives.
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