How do combined pill

Combined oral contraceptives represent tablets containing 2 hormone-estrogen and progestin in various combinations, which are close to the natural sex hormones, produced in ovarian cancer each woman (cheap way lumineers). In tablet used as a component estrogenny ethinylestradiol, and as a component-progestinovy levonorgestrel or noretindron (progesterone is synthetic analogues).

The effect of combined oral contraceptive contraceptives due to the multiple mechanisms of action.

How do combined pill
to suppress ovulation (egg maturation and exit)
sguscheniyu promotes mucus in the uterine neck, making it impassable for sperm
changing the uterine lining, making it impossible to attaching a fertilized egg
the engine reduces the ability of sperm maturation in the pipes.
The combination of all these factors, combined oral contraceptives makes the most effective method of preventing unwanted pregnancy.