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.
Thranov I, Hertz JB, Kjer JJ, Andresen A, Micic S, Nielsen J, Hancke S.Thranov I, et al. Among authors: hertz jb.Fertil Steril. 1992 Apr;57(4):751-5.Fertil Steril. 1992.PMID: 1532561Free article.Clinical Trial.
Andersen AN, Tabor A, Hertz JB, Schiøler V.Andersen AN, et al. Among authors: hertz jb.Obstet Gynecol. 1981 Jun;57(6):725-9.Obstet Gynecol. 1981.PMID: 7231824