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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]
The control line of this pregnancy test is blank, making the test invalid. The control line on the left of this pregnancy test is visible, suggesting that the test result is valid. A pale purple line has also appeared on the right hand side (the test line) which clearly signifies that the subject is pregnant.
The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test. While many people assumed that the injected rabbit would die only if the woman was pregnant, in fact all rabbits used for the ...
Oral contraceptives are the second most common form of birth control in the U.S., with nearly 13% of women on birth control using it. The Pill may also help lessen period cramps and heavy bleeding.
OTC birth control pills are a newer option for people in the U.S. In July 2023, the Food and Drug Administration (FDA) approved Opill as a nonprescription oral birth control pill . Opill is now ...
A pregnancy test detects the presence of the pregnancy hormone human chorionic gonadotropin in a person’s body. The body doesn’t produce that hormone until several days after conception.
The copper IUD (also known as a copper T intrauterine device) is a non-hormonal option of birth control. It is wrapped in copper which creates a toxic environment for sperm and eggs, thus preventing pregnancy. [2] The failure rate of a copper IUD is approximately 0.8% and can prevent pregnancy for up to 10 years.
The actual pregnancy rates among diaphragm users vary depending on the population being studied, with yearly rates of 10% [16] to 39% [17] being reported. Unlike some other cervical barriers, the effectiveness of the diaphragm is the same for women who have given birth as for those who have not. [18]