Comparing Effectiveness of Letrozole Versus Clomiphene Citrate to Evaluate the Ovulation Induction in patients with POS
Tehmina Zafar, Fiza Asif, Rubina Naurin, Tayyaba Majeed, Zahid Mahmood
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ABSTRACT
Background: Anovulation
is the commonest cause of female infertility and polycystic ovarian syndrome (PCOS)
is the most frequently seen cause of anovulation among infertile females.
Letrozole and Clomiphene Citrate are two common drugs for PCOS. But controversial data was noticed
regarding their effectiveness.
Aim: To
compare effectiveness of Letrozole versus Clomiphene Citrate to evaluate the
ovulation induction in patients with polycystic ovarian syndrome
Methods: After
fulfilling the selection criteria, total 360 females were enrolled according
to calculated sample size and were randomly
divided into two equal
groups. One is treated with letrozole and other is clomiphene citrate.
Successful ovulation was noted
on follow up. Data was collected in proforma and later on analyzed
in SPSS version 23.
Results: The mean
age of patients in letrozole group was 26.61± 4.81 years and in clomiphene citrate
was it 27.89±4.24 years. Successful ovulation induction was noted
in 172 with letrozole and 150 with clomiphene citrate i. e p-value=0.001.
Conclusion: Letrozole
has significantly better efficacy for successful ovulation than Clomiphene
Citrate for PCOS.
Keywords: Ovulation, Clomiphene
citrate, Letrozole, polycystic ovarian syndrome