Ovulation induction is a fertility treatment that uses medications to stimulate the ovaries to produce and release eggs. It is often used in individuals with irregular or absent ovulation, such as those with polycystic ovary syndrome (PCOS). Medications like clomiphene citrate, letrozole, or injectable gonadotropins are commonly used. The process is typically monitored through bloodwork and ultrasound to assess follicle development and timing. Ovulation induction can be used alone or in combination with intrauterine insemination (IUI) or IVF.