Prevalence of oligomenorrhea among women of childbearing age in China: A large community-based study.

To investigate the prevalence and the related characteristics of oligomenorrhea among women within childbearing age in China. A large-scale community-based investigation was conducted from 2013 to 2015. A total of 12,964 women aged 18-49 years from 9 provinces/municipalities in China were recruited for healthcare screening in local community health centers. Outcome measures include clinical history, ultrasonographic exam, and hormonal and metabolic parameters. Among women within childbearing age in China, the prevalence of oligomenorrhea was 12.2% (1,579/12,964). Both sociodemographic factors and medical history were significantly associated with oligomenorrhea (P < 0.05). In such women, the prevalence of obesity, acne, seborrhea, acanthosis, larger ovarian size, and polycystic ovarian morphology was higher when compared with normal women; the prevalence of anti-Mullerian hormone, total testosterone, and androstenedione (P < 0.05) was higher as well. The infertility rates of all women were higher in the oligomenorrhea group (17.2%, 272⁄1,579) than in the non-oligomenorrhea group (9.0%, 1,024⁄11,385), and among women without contraception, for the oligomenorrhea group, the infertility rate was 32.5% (128⁄394), and for the non-oligomenorrhea group, 17.9% (400⁄2,240). In the oligomenorrhea group, 57.4% (156/272) of the women underwent treatments for infertility, which was higher than the non-oligomenorrhea group 36.1% (370/1,024). Obesity, acne, seborrhea, acanthosis, larger ovarian size, and polycystic ovarian morphology were significantly associated with oligomenorrhea. The increase of anti-Mullerian hormone, total testosterone, and androstenedione level was also demonstrated in the oligomenorrhea group. Higher prevalence of infertility and medical treatment rate was observed in women with oligomenorrhea.

Citation

Yilei He, Danni Zheng, Wei Shang, Xiaohong Wang, Shuyun Zhao, Zhaolian Wei, Xueru Song, Xiaobo Shi, Yimin Zhu, Shuyu Wang, Rong Li, Jie Qiao. Prevalence of oligomenorrhea among women of childbearing age in China: A large community-based study. Women's health (London, England). 2020 Jan-Dec;16:1745506520928617

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PMID: 32894698

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