From: Evidence that 17alpha-estradiol is biologically active in the uterine tissue: Antiuterotonic and antiuterotrophic action
Dosage of 17α-E2 (μmol/day/Kg body weight)
Ratioaof 17β-E2:17α-E2
Uterine wet weight/100 gb
% inhibitionc
0.3
1:1
266.1 ± 8.2
18.55
0.9
1:3
229.9 ± 10.7
29.63
1.5
1:5
228.3 ± 10.4
30.11
30.0
1:100
213.1 ± 7.8
34.77