Oral hormone pregnancy tests and the risks of congenital malformations: A systematic review and meta-analysis

<strong>Background</strong>: Oral hormone pregnancy tests (HPTs), such as Primodos, containing ethinylestradiol and high doses of norethisterone, were given to over a million women from 1958 to 1978, when Primodos was withdrawn from the market because of concerns about possible teratogen...

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Bibliographic Details
Main Authors: Heneghan, C, Aronson, J, Spencer, E, Holman, B, Mahtani, K, Perera, R, Onakpoya, I
Format: Journal article
Published: F1000Research 2018

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