Clinical Research Directory

Inclusion Criteria: General * Couples undergoing in vitro fertilization (IVF) treatment. * Planned use of fresh sperm samples obtained by masturbation. Female * Age between 20 and 42 years. * Antral follicle count ≥ 4. * Eligible for ovarian stimulation and embryo transfer. Male * Age between 20 and 45 years. * Fresh semen sample (not cryopreserved). * Pre-processing sperm concentration ≥ 5 × 10⁶ sperm/mL. Exclusion Criteria: General * Active sexually transmitted infection (STI). * Use of donor sperm. * Medical conditions contraindicating pregnancy or the IVF procedure. Female * Uterine anomalies associated with distortion of the uterine cavity. * Absence of one ovary or functional disorders preventing ovulation. * Diabetes mellitus or other metabolic disorders. * Recurrent pregnancy loss, defined as more than two clinical pregnancies without live birth. Male \- Any medical condition affecting semen quality that, in the investigator's opinion, may interfere with study participation.