Fetal growth in PCOS pregnancies: dynamic evidence of restriction and the modifying role of ART - Scorecard - MDSpire

Fetal growth in PCOS pregnancies: dynamic evidence of restriction and the modifying role of ART

  • By

  • Heze Xu

  • Yijia Liu

  • Xinyi Bian

  • Zhijiao Wang

  • Zhen Li

  • Hang Zhen

  • Shanwei Xing

  • Jingshuang Zhou

  • Zekai Bai

  • Jiapo Li

  • Chong Qiao

  • July 15, 2026

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Clinical Scorecard: Fetal Development Patterns in Pregnancies Affected by PCOS: Evidence of Growth Restriction and the Impact of Assisted Reproductive Technology

At a Glance

CategoryDetail
ConditionPolycystic Ovary Syndrome (PCOS)
Key MechanismsEndocrine-metabolic disturbances including hyperandrogenism and insulin resistance affecting fetal growth.
Target PopulationPregnant women with PCOS, particularly those of advanced maternal age.
Care SettingMulticenter obstetric cohort study.

Key Highlights

  • PCOS fetuses show reduced Z-scores for femur length and head circumference in the second trimester.
  • Third-trimester deficits observed in biparietal diameter and abdominal circumference for PCOS pregnancies.
  • Birth length and weight Z-scores are lower in neonates from PCOS pregnancies.
  • Growth restriction is evident in spontaneous conceptions, not in ART-conceived pregnancies.
  • Dynamic ultrasound surveillance is necessary for monitoring fetal growth in PCOS pregnancies.

Guideline-Based Recommendations

Diagnosis

  • Diagnosis of PCOS based on Rotterdam criteria.

Management

  • Utilize dynamic ultrasound monitoring to assess fetal growth in PCOS pregnancies.

Monitoring & Follow-up

  • Regular ultrasound assessments in the second and third trimesters.

Risks

  • Increased likelihood of fetal growth restriction and low birth weight in PCOS pregnancies.

Patient & Prescribing Data

Women diagnosed with PCOS, particularly those of advanced maternal age.

Assisted reproductive technology may mitigate fetal growth restriction in PCOS pregnancies.

Clinical Best Practices

  • Implement dynamic monitoring of fetal growth in pregnancies affected by PCOS.
  • Consider ART for PCOS patients to improve perinatal outcomes.

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