Table 2. Live birth rate and preeclampsia in single women, lesbian, women with transgender partner vs. heterosexual couples.
Single women, lesbian, women
with transgender partner
Heterosexual couples p-value
n 199 240
Age (years) 36.0 [34.0;38.0] 35.0 [32.0;37.0] 0.002
BMI (kg/m2) 24.8 [22.0;29.0] 23.6 [21.5;26.3] 0.002
Pregnancy rate (%) 26.62 (270/1015) 31.42 (339/1080) 0.016
Live birth rate (%) 19.60 (199/1015) 22.04 (238/1080) 0.071
Twin (%) 11.56 (23/199) 20.00 (48/240) 0.01
Preeclampsia total (%) 6.03 (12/199) 5.83 (14/240) 0.93
Preeclampsia/single (%) 4.54 (8/176) 5.70 (11/193) 0.61
Preeclampsia/twin (%) 17.39 (4/23) 6.25 (3/48) 0.15
Perinatal Mortality (‰) 5.03 (1/199) 16.67 (4/240) 0.30