From: The yield of endometrial aspiration in women with various risk factors and bleeding abnormalities
BMI
Age (years)
<40
41–51
>50
All
≤30
2.1Â %
1.9Â %
12.9Â %
4.8Â %
>30
5.9Â %
4.0Â %
14.1Â %
7.3Â %