Letrozole-stimulated Cycle Strategy Versus Artificial Cycle Strategy (LETSACT)

The goal of this randomized clinical trial is to evaluate the effectiveness of the letrozole-stimulated cycle strategy versus the artificial cycle strategy for endometrial preparation in women with irregular menstrual cycles after one cycle of endometrial preparation. The primary question it aims to answer is: • Does the letrozole-stimulated cycle strategy for endometrial preparation result in a higher live birth rate compared to the artificial cycle strategy in women with irregular menstrual cycles after one cycle of endometrial preparation? Participants will undergo screening before endometrial preparation for frozen embryo transfer, following which they will be randomly assigned to one of two groups: LETS or AC. In the LETS group, investigators will prescribe letrozole 5 milligrams/day for 5 days to stimulate follicular development and micronized progesterone 800 milligrams/day for luteal phase support. In contrast, the AC group will receive oral estradiol valerate 6-12 milligrams/day and micronized progesterone 800 milligrams/day. Researchers will compare the LETS and AC groups to determine if there are differences in live birth rates.

This description comes directly from the study's public registry record.

Nam T Nguyen, MD.  ·  +84354120209  ·  bsnam.nt@myduchospital.vn

Vu NA Ho, MD.  ·  +84935843336  ·  bsvu.hna@myduchospital.vn

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