PCOS and Pregnancy: Managing the Higher-Risk Pregnancy
A gynecologist discussing about PCOD and PCOS, talking through hormone imbalances, how the ovaries work, fertility challenges, and possible treatments with a patient.
Conceiving with PCOS is often the focus of attention — the irregular cycles, the ovulation induction, the monitoring. But PCOS does not stop at conception. Women with PCOS have a higher risk of several pregnancy complications that require proactive monitoring and management throughout the antenatal period.
Dr. Shachi Singh, consultant obstetrician at Prakash Hospital, Sector 33, Noida, explains the PCOS pregnancy risks and how to manage them.
Why PCOS Creates Higher Pregnancy Risk
PCOS involves metabolic dysregulation — insulin resistance, chronic low-grade inflammation, and hormonal imbalance — that persists into pregnancy. These underlying factors drive the elevated risk of specific complications.
Key Risks in PCOS Pregnancy
Gestational diabetes (GDM): Women with PCOS have 2 to 3 times the risk of GDM compared to women without PCOS, driven by the underlying insulin resistance of PCOS. Early glucose screening (first trimester rather than the standard 24 to 28 weeks) is recommended for PCOS women. If the first-trimester screen is normal, standard screening at 24 to 28 weeks still applies.
Gestational hypertension and preeclampsia: 2 to 3 times elevated risk. Blood pressure monitoring at every antenatal appointment. Low-dose aspirin (75 to 150 mg from before 16 weeks) is recommended for high-risk women — discuss with your obstetrician whether you qualify.
Miscarriage: Women with PCOS have approximately 30 to 50% higher first-trimester miscarriage risk than the general population. The mechanisms involve elevated LH, insulin resistance, and androgenic environment affecting implantation and early placentation. Monitoring with early ultrasound and progesterone supplementation (not proven to prevent miscarriage but widely used) in early pregnancy.
Preterm birth: Modestly elevated risk — related to inflammation and the higher rate of multiple pregnancy from fertility treatment.
Operative delivery (caesarean section): Higher rates related to macrosomia (large baby) from GDM, malpresentation, and the higher rates of intervention overall.
Management in Pregnancy
Metformin: Metformin is commonly used in PCOS to improve insulin sensitivity before and during early pregnancy. Its role in ongoing pregnancy is debated. Some evidence suggests continuation of metformin through the first trimester reduces miscarriage risk and GDM risk. Discuss with your obstetrician.
Early booking: PCOS women should book antenatal care as early as possible — at 6 to 8 weeks or sooner — to establish the pregnancy, confirm location by ultrasound, and begin appropriate monitoring.
Dietary management: Consistent blood glucose monitoring, low glycaemic index diet, appropriate weight gain within recommended ranges — all more important in PCOS than in the average pregnancy.
Close fetal monitoring: Growth scans from 28 to 32 weeks to monitor for macrosomia (large baby) or growth restriction (less common).
Gynaecological and Obstetric Care in Noida and Greater Noida
Dr. Shachi Singh at Prakash Hospital, Sector 33, Noida, provides specialised antenatal care for women with PCOS across Noida and Greater Noida.
To book a consultation with Dr. Shachi Singh, call: +91 97023 46853
This blog is for informational purposes only.
