Refine your search
Availability
-
Authors
-
Topics
- Adult
- Cerclage, Cervical
- Chorionic Gonadotropin
- Cohort Studies
- Estradiol
- Female
- Fertilization in Vitro
- Gonadotropin-Releasing Hormone
- Humans
- Infant, Newborn
- Middle Aged
- Oocyte Retrieval
- Oocytes
- Ovarian Follicle
- Pregnancy
- Premature Birth
- Primary Prevention
- Retrospective Studies
- Secondary Prevention
- methods
- Show more
- Show less
-
Languages