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Effect of pretreatment of oral contraception on ovulation and live birth in women with PCOS inducing with letrozole: a randomized controlled trial

Effect of pretreatment of oral contraception on ovulation and live birth in women with PCOS inducing with letrozole: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1900020495
Enrollment
Unknown
Registered
2019-01-02
Start date
2018-12-24
Completion date
Unknown
Last updated
2019-01-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Polycystic ovary syndrome

Interventions

OCP group:Oral contraception
Control group:None

Sponsors

Peking University Shenzhen Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Aged 20-40 years PCOS patient; 2. Fallopian tubes, at least unilateral is patency indicated by HSG or laparoscopy; 3. Husband's sperm analysis: sperm concentration >= 15 million sperm per milliliter; motility >= 40%; progressive motility >= 32%; 5. Consent to ovulation induction by letrozole; 6. Hyperandrogenism, clinical, Ferriman-Gallwey Score >=5; biochemical, Total T = 50 ng/dL, a free or weakly bound T = 10 ng/dL or a FAI = 5.

Exclusion criteria

Exclusion criteria: 1. Hyperprolactinaemia, Atypical congenital adrenal hyperplasia, Cushing's syndrome, Androgen-secreting tumors, Acromegaly, diabetes mellitus; 2. Women with cardiac, respiratory or kidney disease who are not able to pregnancy; 3. Women who are suspicious or determined to be pregnant; 4. Women who breastfeed within 6 months; 5 Women who are the use of hormone drugs or other medications (including herb medicine) within 3 months, these drugs may interfere intervention effects; 6. Women with contraindications using oral contraceptives, such as history of breast cancer, history of venous thrombosis, history of migraines, severe liver history.

Design outcomes

Primary

MeasureTime frame
Live birth rate;Ovulation rate;Clinical pregnancy rate;Pregnancy loss rate;Total testosterone;Sex hormone binding globulin;

Countries

China

Contacts

Public ContactTang HuiRu

Peking University Shenzhen Hospital

13828857955@126.com+86 13828857955

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026