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Objective
To assess the current prevalence of and risk factors for infertility among couples of reproductive age in China.
Design
Population‐based cross‐sectional study.
Setting
We approached 25 270 couples in eight provinces/municipalities, of whom 18 571 (response rate 74%) were interviewed.
Population
Couples living together and married for more than 1 year, of whom the female spouse was...
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