An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Endler M, Li R, Gemzell Danielsson K.Endler M, et al.Contraception. 2022 May;109:8-18. doi: 10.1016/j.contraception.2022.01.006. Epub 2022 Jan 23.Contraception. 2022.PMID: 35081389Free article.Review.
Lőczi L, Vezér M, Török M, Cseh R, Keszthelyi A, Ács N, Várbíró S, Keszthelyi M.Lőczi L, et al.Orv Hetil. 2023 Nov 5;164(44):1736-1748. doi: 10.1556/650.2023.32757. Print 2023 Nov 5.Orv Hetil. 2023.PMID: 37930357Hungarian.
Li RHW, Lo SST, Gemzell-Danielsson K, Fong CHY, Ho PC, Ng EHY.Li RHW, et al.Lancet. 2023 Sep 9;402(10405):851-858. doi: 10.1016/S0140-6736(23)01240-0. Epub 2023 Aug 16.Lancet. 2023.PMID: 37597523Clinical Trial.
Li HW, Lo SS, Ho PC.Li HW, et al.Best Pract Res Clin Obstet Gynaecol. 2014 Aug;28(6):835-44. doi: 10.1016/j.bpobgyn.2014.04.011. Epub 2014 May 9.Best Pract Res Clin Obstet Gynaecol. 2014.PMID: 24898437Review.
Mazer-Amirshahi M, Ye P.Mazer-Amirshahi M, et al.Am J Emerg Med. 2023 Jan;63:102-105. doi: 10.1016/j.ajem.2022.10.034. Epub 2022 Oct 22.Am J Emerg Med. 2023.PMID: 36334410Review.