Prediction of low oocyte retrieval in young women undergoing IVF/ICSI: a multicenter external validation study
To externally validate a previously developed pretreatment prediction nomogram for identifying young women at risk of low oocyte retrieval (LOR). This multicenter retrospective study included 14,702 women aged ≤ 35 years undergoing their first in vitro fertilization/intracytoplasmic sperm injection (IVF/IC...