from Section 2 - Ovarian Hyperstimulation for IVF
Published online by Cambridge University Press: 14 April 2022
Controlled ovarian stimulation (COS) is an important step during in vitro fertilization (IVF) treatment that aims to produce sufficient follicles and oocytes to achieve pregnancy. Despite recent progresses in assisted reproductive technology (ART), a poor ovarian response (POR) remains one of the most challenging issues for reproductive clinicians [1]. The incidence of POR during COS has been reported to range from 5.6 percent to 35.1 percent depending on differences in the definition of poor response [1–4]. Patients with POR have higher cycle cancellation rates, lower pregnancy rates, and heavier financial burden [4–6]. In this chapter, we discuss the classification and treatments of POR.
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