Could a longer fertility pill course boost pregnancy chances for PCOS?

NCT ID NCT07159880

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares taking the fertility drug letrozole for 10 days versus the usual 5 days in women with PCOS who want to get pregnant. About 20 women aged 18-40 will be randomly assigned to one of the two groups. The goal is to see if the longer treatment leads to more ovulations and pregnancies, while monitoring for side effects like multiple births or ovarian overstimulation.

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Conditions

The condition(s) this trial relates to.

anovulation infertility disorder polycystic ovary syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Health Complex Dr Wladimir Arruda

    RECRUITING

    São Paulo, São Paulo, 04829-310, Brazil

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••