Emergency contraceptives and things to know
Obstetricians warn if excessive abuse of emergency contraceptives is easy to cause infertility.Sperm will not touch the egg when humans use this compound
American experts have found a new plant-derived compound with miraculous contraceptive effects.Contraceptives are useless for fat women
Scientists warn, birth control pills will be less effective in overweight women, and especially useless for women who weigh more than 80kg.