information about First trimester field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 34.8M papers | Genetics 9.7M papers | Pregnancy 1.7M papers | Fetus 476k papers |
Gestation 241k papers | |||
| Current | |||
First trimester 15.1k papers | |||
| Child | |||
Chorionic villus sampling 3,773 papers | Pregnancy-associated plasma protein A 1,689 papers | Crown-rump length 1,658 papers | Nuchal translucency 1,586 papers |
Nuchal Translucency Measurement 1,167 papers | |||
Trends
Notes
History