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.
Hudson CA, McArdle CA, López Bernal A.Hudson CA, et al. Among authors: lopez bernal a.Mol Hum Reprod. 2016 Jul;22(7):512-25. doi: 10.1093/molehr/gaw031. Epub 2016 May 8.Mol Hum Reprod. 2016.PMID: 27161844
Birchenall KA, Welsh GI, López Bernal A.Birchenall KA, et al. Among authors: lopez bernal a.Int J Environ Res Public Health. 2019 Apr 30;16(9):1527. doi: 10.3390/ijerph16091527.Int J Environ Res Public Health. 2019.PMID: 31052173Free PMC article.
López Bernal A, TambyRaja RL.López Bernal A, et al.Baillieres Best Pract Res Clin Obstet Gynaecol. 2000 Feb;14(1):133-53. doi: 10.1053/beog.1999.0068.Baillieres Best Pract Res Clin Obstet Gynaecol. 2000.PMID: 10789265Review.