Contraceptive implants
- 22 June 1996
- Vol. 312 (7046) , 1555-1556
- https://doi.org/10.1136/bmj.312.7046.1555
Abstract
Norplant contains levonorgestrel, a synthetic progestogen prescribed to millions of women over two decades; 15 preparations are currently licensed for contraception and hormone replacement in Britain. Daily dosages of 75-250 µg occur in combined oral contraceptive pills and 30-75 µg in progestogen only pills. Users achieve peak blood concentrations in excess of 2.5 nmol/l.4 …Keywords
This publication has 3 references indexed in Scilit:
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