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. 2017 Jun 14;187(2):337–346. doi: 10.1093/aje/kwx240

Table 2.

Crude and Age-Adjusted Prevalence of Lifetime (Prior or Current) Infertility by 11 Different Definitions of Infertility (n = 1,014), Furthering Understanding of Cancer, Health, and Survivorship in Adult Women Study, 2012–2015

Infertility Definition Crude Prevalence, %a Age-Adjusted Prevalence, %b
Unprotected intercourse for 6 months 42.6 43.4
Attempting pregnancy for 6 months 25.5 19.1
Unprotected intercourse for 12 months 35.3 35.3
Attempting pregnancy for 12 months 19.7 14.9
Unprotected intercourse for 24 months 23.5 23.8
Attempting pregnancy for 24 months 11.2 8.9
Unprotected intercourse using 2013 ASRM age cutpointsc 35.9 35.6
Attempting pregnancy according to 2013 ASRM definitionc 20.5 15.3
Visited a doctor for help getting pregnant 16.6 11.8
Physician diagnosis of infertilityd 9.7 7.0
Physician diagnosis of infertility due to female-related factorsdf 6.3 3.8

Abbreviation: ASRM, American Society for Reproductive Medicine.

a Percentage of women ever meeting given definition of infertility.

b Percentage of women ever meeting given definition of infertility, age-adjusted to the US population using the 2014 US Census estimates for women aged 22–45 years.

c Did not get pregnant after 12 months of appropriately timed unprotected intercourse (for those <35 years of age) or after 6 months (for those ≥35 years old).

d Measured only among women who visited a doctor for help getting pregnant.

e Reason given by doctor for cause of infertility was a female-related factor (poor ovulation, low ovarian reserve, fibroids, blocked tubes, endometriosis, cervical problem, or menopause).

f Denominators exclude 8 people missing this outcome.