Search on: PREGNANCY, FIRST TRIMESTER 
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Descriptor English:   Pregnancy Trimester, First 
Descriptor Spanish:   Primer Trimestre del Embarazo 
Descriptor Portuguese:   Primeiro Trimestre da Gravidez 
Synonyms English:   Pregnancy, First Trimester
Trimester, First
Early Placental Phase  
Tree Number:   G08.686.707.408
Definition English:   The beginning third of a human PREGNANCY, from the first day of the last normal menstrual period (MENSTRUATION) through the completion of 14 weeks (98 days) of gestation. 
Indexing Annotation English:   human only; check tags HUMANS & FEMALE & PREGNANCY; DF: PREGN TRIMESTER FIRST
History Note English:   76; was PREGNANCY, FIRST TRIMESTER 1975 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
DE drug effects EH ethnology
GE genetics IM immunology
ME metabolism PH physiology
PX psychology RE radiation effects
UR urine  
Record Number:   11707 
Unique Identifier:   D011261 

Occurrence in VHL:
 

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