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

Year Number of Results
1939 1
1945 32
1946 76
1947 90
1948 90
1949 91
1950 168
1951 193
1952 250
1953 226
1954 234
1955 170
1956 156
1957 188
1958 175
1959 192
1960 197
1961 226
1962 212
1963 271
1964 301
1965 153
1966 99
1967 144
1968 98
1969 127
1970 107
1971 110
1972 98
1973 89
1974 87
1975 71
1976 96
1977 77
1978 102
1979 118
1980 106
1981 77
1982 99
1983 100
1984 93
1985 123
1986 123
1987 166
1988 338
1989 373
1990 418
1991 451
1992 485
1993 430
1994 488
1995 470
1996 561
1997 563
1998 580
1999 517
2000 560
2001 548
2002 623
2003 757
2004 901
2005 930
2006 1039
2007 1001
2008 1070
2009 1081
2010 1216
2011 1362
2012 1302
2013 1327
2014 1527
2015 1620
2016 1554
2017 1542
2018 1645
2019 1723
2020 1789
2021 1664
2022 1581
2023 1565
2024 2054
2025 1015

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Page 1
The impact of advanced maternal age on pregnancy outcome.
Attali E, Yogev Y. Attali E, et al. Best Pract Res Clin Obstet Gynaecol. 2021 Jan;70:2-9. doi: 10.1016/j.bpobgyn.2020.06.006. Epub 2020 Jun 24. Best Pract Res Clin Obstet Gynaecol. 2021. PMID: 32773291 Review.
Cohort profile: the Shanghai Birth Cohort.
Zhang J, Tian Y, Wang W, Ouyang F, Xu J, Yu X, Luo Z, Jiang F, Huang H, Shen X; Shanghai Birth Cohort. Zhang J, et al. Int J Epidemiol. 2019 Feb 1;48(1):21-21g. doi: 10.1093/ije/dyy277. Int J Epidemiol. 2019. PMID: 30629180 No abstract available.
40,504 results
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