3606
Using luteinizing hormone tests to verify ovulation , across two studies ( Samples 1 and 2 ) , we found that women whose partners were relatively low in sexual desirability felt less close to their partner ( Samples 1 and 2 ) and were more critical of their partner ' s faults ( Sample 2 ) on high - fertility days of the cycle just prior to ovulation compared with low - fertility days of the cycle .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None