Comparison of IVF Outcomes Between PPOS and Antagonist Protocols in Women With PCOS

Inclusion Criteria: * Women aged 18-40 years * Diagnosed with polycystic ovary syndrome (PCOS) according to the modified Rotterdam criteria (2004) (≥2 of 3: oligo/anovulation, hyperandrogenism, or polycystic ovarian morphology on ultrasound) * Indicated for in vitro fertilization (IVF) due to PCOS alone or PCOS with other infertility factors (e.g., tubal factor, previous failed IUI) * Eligible for controlled ovarian stimulation for IVF * Husband/partner with normal sperm parameters or mild to moderate oligoasthenoteratozoospermia (OAT) * Willing and able to provide written informed consent and comply with study procedures. Exclusion Criteria: * Uterine abnormalities that may impair implantation or pregnancy outcomes, including congenital uterine malformations, large fibroids distorting the uterine cavity, adenomyosis, or severe intrauterine pathology. * History of major ovarian or uterine surgery affecting ovarian reserve or uterine structure (e.g., ovarian cystectomy, endometriosis surgery, myomectomy, unilateral oophorectomy) * History of recurrent pregnancy loss (≥3 spontaneous miscarriages) * Known chromosomal abnormalities in either partner * Inability to adhere to study protocol or follow-up procedures