FERTILITY

This study follows 100,000 Chinese families from before pregnancy through the child's teenage years. Researchers will collect health data, blood samples, and environmental information to understand how parents' exposures and health before and during pregnancy affect pregnancy out…

This study looks at a new device called Kegg that you insert like a tampon to track fertility at home. It measures changes in your cervical mucus using a small electrical signal. The goal is to see if this device is as good as or better than checking mucus yourself or using urine…

This observational study follows 2000 women aged 40 or younger with breast cancer to see how childbirth after diagnosis affects their survival and disease recurrence. It also checks the growth and health of their children. The goal is to provide clearer information for young pati…

This study was designed to measure how a hormone called GnRH moves through the body when given through a small pump (OmniPod) in healthy women. The goal was to help develop a treatment for women who miss their periods due to low GnRH. However, the study was withdrawn before any p…