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.
Ludwig M, Baumann P, Wolter-Kolbert F, Bauer O, Felberbaum R, Gembruch U, Diedrich K.Ludwig M, et al.Zentralbl Gynakol. 1996;118(9):523-9.Zentralbl Gynakol. 1996.PMID: 8992821German.
Ludwig M, Felberbaum RE, Bauer O, Diedrich K.Ludwig M, et al.Arch Gynecol Obstet. 1999 Nov;263(1-2):25-8. doi: 10.1007/s004040050256.Arch Gynecol Obstet. 1999.PMID: 10728624
Felberbaum RE, Germer U, Ludwig M, Riethmüller-Winzen H, Heise S, Buttge I, Bauer O, Reissmann T, Engel J, Diedrich K.Felberbaum RE, et al. Among authors: ludwig m.Hum Reprod. 1998 Jun;13(6):1660-8. doi: 10.1093/humrep/13.6.1660.Hum Reprod. 1998.PMID: 9688409Clinical Trial.
Ludwig M, Gembruch U, Bauer O, Diedrich K.Ludwig M, et al.Hum Reprod. 1998 Aug;13(8):2082-7. doi: 10.1093/humrep/13.8.2082.Hum Reprod. 1998.PMID: 9756273Review.
Felberbaum RE, Ludwig M, Diedrich K.Felberbaum RE, et al. Among authors: ludwig m.Contracept Fertil Sex. 1999 Oct;27(10):701-9.Contracept Fertil Sex. 1999.PMID: 10605180Clinical Trial.French.