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Levonorgestrel is a hormonal medication which is used in a number of birth control methods. [3] [7] It is combined with an estrogen to make combination birth control pills. [8]As an emergency birth control, sold under the brand names Plan B One-Step and Julie, among others, it is useful within 72 hours of unprotected sex.
Emergency contraception (EC) is a birth control measure, used after sexual intercourse to prevent pregnancy.. There are different forms of EC. Emergency contraceptive pills (ECPs), sometimes simply referred to as emergency contraceptives (ECs), or the morning-after pill, are medications intended to disrupt or delay ovulation or fertilization, which are necessary for pregnancy.
The Riley One-Point-Five and similar Wolseley 1500 are cars produced by Riley and Wolseley respectively from 1957 until 1965. They utilised the Morris Minor floorpan, suspension and steering but were fitted with the larger 1,489 cc (90.9 cu in) B-Series engine and MG Magnette gearbox.
The One-Step included the following basic figures (and a number of more advanced ones): [2] The Castle Walk (invented and introduced by Mr. and Mrs. Vernon Castle). [1] The Turn is a walking step, pivoting on one foot to change direction. The right foot comes from the preceding step to the place of starting; while it makes two successive long ...
One Small Step may refer to: "One small step for a man", a phrase spoken by Neil Armstrong as he became the first person to set foot on the Moon; One Small Step, an album by John Butler; One Small Step..., an album by Guy Manning; One Small Step, a 1990 novella by Reginald Hill; One Small Step: The Story of the Space Chimps, a 2008 documentary film
The Heaviside step function, or the unit step function, usually denoted by H or θ (but sometimes u, 1 or 𝟙), is a step function named after Oliver Heaviside, the value of which is zero for negative arguments and one for positive arguments. Different conventions concerning the value H(0) are in use.