Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1938 1
1939 1
1945 2
1946 5
1947 6
1948 4
1949 2
1950 4
1951 7
1952 5
1953 7
1954 10
1955 11
1956 4
1957 4
1958 6
1959 5
1960 4
1961 1
1962 7
1963 5
1964 10
1965 54
1966 68
1967 142
1968 148
1969 165
1970 182
1971 236
1972 204
1973 203
1974 301
1975 205
1976 238
1977 211
1978 258
1979 259
1980 221
1981 246
1982 284
1983 253
1984 315
1985 322
1986 269
1987 269
1988 305
1989 301
1990 321
1991 303
1992 321
1993 376
1994 384
1995 398
1996 356
1997 384
1998 330
1999 354
2000 359
2001 388
2002 394
2003 523
2004 534
2005 618
2006 564
2007 492
2008 572
2009 509
2010 596
2011 589
2012 684
2013 663
2014 636
2015 742
2016 701
2017 659
2018 637
2019 729
2020 649
2021 510
2022 249
2023 242
2024 65

Text availability

Article attribute

Article type

Publication date

Search Results

21,107 results

Results by year

Filters applied: . Clear all
Page 1
Assisted conception in women of advanced maternal age.
Seshadri S, Morris G, Serhal P, Saab W. Seshadri S, et al. Best Pract Res Clin Obstet Gynaecol. 2021 Jan;70:10-20. doi: 10.1016/j.bpobgyn.2020.06.012. Epub 2020 Aug 7. Best Pract Res Clin Obstet Gynaecol. 2021. PMID: 32921559 Review.
Reply.
Irani M, Zaninovic N, Rosenwaks Z, Xu K. Irani M, et al. Am J Obstet Gynecol. 2019 Oct;221(4):374-375. doi: 10.1016/j.ajog.2019.07.012. Epub 2019 Jul 6. Am J Obstet Gynecol. 2019. PMID: 31288007 No abstract available.
Aging of the placenta.
Qi H, Xiong L, Tong C. Qi H, et al. Aging (Albany NY). 2022 Jul 13;14(13):5294-5295. doi: 10.18632/aging.204175. Epub 2022 Jul 13. Aging (Albany NY). 2022. PMID: 35853249 Free PMC article. No abstract available.
21,107 results
You have reached the last available page of results. Please see the User Guide for more information.