What is ovulation monitoring? This is an Ultrasound done abdominally Or vaginally to assess the growth of the follicles or eggs so that the proper timing of ovulation can be ascertained. This is an important tool in Infertility workup. Intercourse can be timed during ovulation which helps one to conceive. It helps in timing of Assisted reproductive techniques like Intrauterine insemination. It helps us to schedule Ovum pickups in Invitrofertilisation Or IVF. One can also assess endometrial thickness during ovulation monitoring