opelet 2.5mg contains Letrozole, an aromatase inhibitor renowned for its role in hormonal balance. Letrozole modulates estrogen levels, crucial for conditions like PCOS and infertility. By inhibiting aromatase, it stimulates ovulation and enhances fertility. Moreover, it aids in PCOS symptom alleviation, promoting regular menstrual cycles. Letrozole’s versatility extends to breast cancer adjuvant therapy, where it helps prevent cancer recurrence.