Ultrasound as a diagnostic and operative tool for in vitro fertilization and embryo replacement (IVF/ER) programs.

Diagnostic ultrasound offers unique possibilities to study ovarian morphology, especially follicular growth and development. This makes the technique an important tool for the management of ovulation induction in an in vitro fertilization and embryo replacement (IVF/ER) program. Different general aspects of the use of ultrasound in IVF/ER are discussed in this communication.