Oral contraceptives revolutionized fertility control by high contraceptive efficacy so spread use in the world, however, were soon associated with undesirable side effects, some of them serious.
The main mechanism of action of oral contraceptives is the suppression of ovulation by interfere with the secretion of gonadotropin releasing hormone in the hypothalamus and through direct suppressive effect on the pituitary and ovary cells.
Provided that there can be given contraception pregnancy with birth control pills, also there is no history of thromboembolic disease or cerebral vascular events, ischemic heart disease and rheumatic, or presence of a history of cervical cancer and breast cancer, or malignant liver tumors or benign liver disease and acute or chronic active.
Efficacy of pregnancy with birth control pills
Contraceptive efficacy of oral contraceptives is close to 99%, however, considering the late start taking tablets, the omission of one or more during the cycle and other factors such as vomiting and diarrhea that may interfere with drug absorption, effectiveness observed in common usage conditions is 92%. means you can get pregnant on birth control, with a probability of 8 out of 10 women.
Birth control pills during pregnancy
Emergency hormonal contraception can prevent pregnancy after unprotected intercourse has happened protection, or when you have had a problem with birth control you use, as might be forgetting two birth control pills, or late onset of these or injectables, breakage or slippage of condoms or other. Are used estrogens, progestins, a combination of both and other steroids on the market.
Hormonal contraception, with its various formulations and routes of administration, is a range of opportunities for temporary contraception, which has access to millions of women worldwide, with high efficacy in preventing pregnancy.
Its use is accompanied by alterations of the general metabolism and the functioning of organs such as the liver, adrenal glands, thyroid and pancreas.
Most of these changes are minor and have no clinical expression, but fail to produce other diseases such as arterial and venous thromboembolism, and the induction of gynecological cancers or even get to produce signs of infertility ..
At the same time, prevents the occurrence of other benign and malignant tumors of the reproductive system, in addition to producing multiple beneficial effects, local and systemic, so that if their risks are measured against its benefits can be set which are drugs who have contributed significantly to improving the health of women.
Source: http://whyhealthtipsforyou.blogspot.com/2012/11/pregnancy-with-birth-control-pills.html
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