Table 2. Embryo transfer results by BMI categories.
Groups/Variables Underweight Healthy weight Overweight Obese HW x UW HW x OW HW x O HW x OW+O OW x O
FRESH (n=472)
Clinical pregnancy n (%)
No pregnancy
Clinical pregnancy
No. Transferred embryos
(mean±SD)


-
-		 n=291

223 (76.6)
68 (23.4)
2.1±0.9		 n=130

101 (77.7)
29 (22.3)
2.3±0.8		 n=51

36(70.6)
15(29.4)
2.1±0.9


-
-


p=0.900
p=0.047


p=0.377
p=0.812


p=0.825
p=0.138


p=0.339
p=0.151
FET (n=130)
Clinical pregnancy n (%)
No pregnancy
Clinical pregnancy
No. Transferred embryos
(mean±SD)


-
-		 n=90

65 (72.2)
25 (27.8)
1.53±0.67		 n=31

22 (71.0)
9 (29.0)
1.41±0.56		 n=9

7 (77.8)
2 (22.2)
1.78±1.1


-
-

p=1.000

p=0.502

p=1.000

p=0.680

p=1.000

p=0.692

p=1.000

p=0.489

SD: standard deviation
UW: Underweight; HW: Healthy weight; OW: Overweight; O: obese.