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Oral contraceptives, abbreviated OCPs, also known as birth control pills, are medications taken by mouth for the purpose of birth control. The introduction of the birth control pill ("the Pill") in 1960 revolutionized the options for contraception, sparking vibrant discussion in the scientific and social science literature and in the media.
Different sources note different incidence of side effects. The most common side effect is breakthrough bleeding. Combined oral contraceptive pills can improve conditions such as dysmenorrhea, premenstrual syndrome, and acne, [105] reduce symptoms of endometriosis and polycystic ovary syndrome, and decrease the risk of anemia. [106]
The incidence of certain side effects is different for the different formulations: for example, breakthrough bleeding is much more common with progestogen-only methods. Certain serious complications occasionally caused by estrogen-containing contraceptives are not believed to be caused by progestogen-only formulations: deep vein thrombosis is ...
Other less common side effects included nausea, vomiting, diarrhea, dizziness, fatigue, and fever. [37] Pelvic inflammatory disease is a very rare but serious complication. [ 38 ] Excessive bleeding and incomplete termination of a pregnancy require further intervention by a doctor (such as a repeat dose of misoprostol or a vacuum aspiration ).
Misoprostol is used for the prevention of NSAID-induced gastric ulcers.It acts upon gastric parietal cells, inhibiting the secretion of gastric acid by G-protein coupled receptor-mediated inhibition of adenylate cyclase, which leads to decreased intracellular cyclic AMP levels and decreased proton pump activity at the apical surface of the parietal cell.
Levonorgestrel-only emergency contraceptive pills are reported to have an 89% effectiveness rate if taken within the recommended 72 hours after sex. [42] The efficacy of the drug decreases by 50% for each 12-hour delay in taking the dose after the emergency contraceptive regimen has been started. [42]
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
More serious side effects include bone loss, blood clots, allergic reactions, and liver problems. [10] Use is not recommended during pregnancy as it may harm the baby . [ 10 ] MPA is an artificial progestogen , and as such activates the progesterone receptor , the biological target of progesterone . [ 4 ]