200
Platelet number and life span were determined in the last trimester of pregnancy in 22 women who were delivered of small - for - gestational age ( SGA ) infants and in 21 women with infants having normal birth weights .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None