control pills can be divided into three types, each of which has different effects on a woman's body.Are the combined pill, the mini-pill and drugs for emergency contraception.
Combined pills are composed of progestin and estrogen.The action of this group of drugs is based on the fact that they controlled the level of hormone production by the body of data by preventing ovulation.Thus mucus, located in the cervix becomes thick, which prevents access of sperm to the egg.These contraceptives also have an abortifacient effect - the ability of the uterus to break the perception of a fertilized egg, which leads to the death of the embryo.
Action mini-pill is also bas
ed on the regulation of hormones in the female body.Unlike drug combination-type mini-pili are composed of just the hormone progestin.These tools are designed for women who have estrogen is contraindicated or breast-feeding mothers.These funds are blocking a hormone necessary for ovulation, and then make the cervical mucus thicker and the sperm can not penetrate the egg.
Emergency contraceptive pills containing levonorgestrel - one of the types of progestin.These pills are less effective, but also affect ovulation and reduce the risk of unplanned pregnancy.In that case, if a woman is already pregnant, the funds will not cause any harm to the fetus.