Prevalence of infertility and help seeking among 15 000 women and men

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Abstract

STUDY QUESTION

What is the prevalence of infertility and of help seeking among women and men in Britain?

SUMMARY ANSWER

One in eight women and one in ten men aged 16–74 years had experienced infertility, defined by unsuccessfully attempting pregnancy for a year or longer, and little more than half of these people sought medical or professional help.

WHAT IS KNOWN ALREADY

Estimates of infertility and help seeking in Britain vary widely and are not easily comparable because of different definitions and study populations.

STUDY DESIGN, SIZE, DURATION

A cross-sectional population survey was conducted between 2010 and 2012 with a sample of 15 162 women and men aged 16–74 years.

PARTICIPANTS/MATERIALS, SETTING, METHODS

Participants completed the Natsal-3 questionnaire, using computer-assisted personal interviewing (CAPI) and computer-assisted self-interview (CASI).

MAIN RESULTS AND THE ROLE OF CHANCE

The reported prevalence of infertility was 12.5% (CI 95% 11.7–13.3) among women and 10.1% (CI 95% 9.2–11.1) among men. Increased prevalence was associated with later cohabitation with a partner, higher socio-economic status and, for those who had a child, becoming parents at older ages. The reported prevalence of help seeking was 57.3% (CI 95% 53.6–61.0) among women and 53.2% (CI 95% 48.1–58.1) among men. Help seekers were more likely to be better educated and in higher status occupations and, among those who had a child, to have become parents later in life.

LIMITATIONS, REASONS FOR CAUTION

These data are cross-sectional so it is not possible to establish temporality or infer causality. Self-reported data may be subject to recall bias.

WIDER IMPLICATIONS OF THE FINDINGS

The study provides estimates of infertility and help seeking in Britain and the results indicate that the prevalence of infertility is higher among those delaying parenthood. Those with higher educational qualifications and occupational status are more likely to consult with medical professionals for fertility problems than others and these inequalities in help seeking should be considered by clinical practice and public health.

STUDY FUNDING/COMPETING INTEREST(S)

Funding was provided by grants from the Medical Research Council and the Wellcome Trust, with support from the Economic and Social Research Council and the Department of Health. AMJ is a Governor of the Wellcome Trust. Other authors have no competing interests.

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