Oral hormone pregnancy tests and the risks of congenital malformations: a systematic review and meta-analysis [version 1; referees: 2 approved]
Background: 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and high doses of norethisterone, were given to over a million women from 1958 to 1978, when Primodos was withdrawn from the market because of concerns about possible teratogenicity. We aimed to study the...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
F1000 Research Ltd
2018-10-01
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| Series: | F1000Research |
| Online Access: | https://f1000research.com/articles/7-1725/v1 |