Which is it?BMJ 2009; 339 doi: http://dx.doi.org/10.1136/bmj.b5142 (Published 31 December 2009) Cite this as: BMJ 2009;339:b5142
- M Joy Spark, pharmacy lecturer1
- 1LaTrobe University, Bendigo Campus, VIC 3550, Australia
Loder’s editorial refers to combination oestrogen-progestin contraceptives but in the concluding sentences implies that levonorgestrel and norethisterone are types of progesterone.1 Stephenson in her letter refers to the etonogestrel containing implant as a progesterone implant.2 Progesterone appears to have been used as a synonym for progestin. The British …
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