This chapter discusses the process of fertility optimization, particularly in relation to IVF (in vitro fertilization) and the potential risks and complications associated with twin pregnancies. The speakers explain various methods used in IVF, including fresh transfers, sperm selection, and embryo hatching. They also highlight the higher risks of preeclampsia and other complications in pregnancies involving twins. The chapter emphasizes the importance of considering individual factors and research rather than relying solely on generalized studies.