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RU486 abortion drug molecule

RU486 abortion drug molecule

A624/0013

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Credit

PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY

Caption

Computer graphics representation of the molecular structure of RU486, an abortion-inducing drug. RU486 is a steroid hormone similar to progesterone, the production of which by the ovary & placenta is essential to maintain a pregnancy. RU486 binds to cells in the same manner as progesterone does, but blocks the effects of the natural hormone. Two days after an oral dose of RU486, the woman takes a drug called a prostaglandin, which initiates contractions of the uterus that result in the expulsion of the embryo presently (Nov 1989) only used in clinical trials.

Release details

Model release not required. Property release not required.

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