Table 1 Results of IUI in the study group receiving GnRHa to bridge the weekend (n = 226), with IUI on Monday, and the control group (n = 685), with IUI during the weekend as scheduled

Age (years)

33.4 ± 2.8

33.2 ± 3.1

0.614

total rFSH per cycle (IU)

696.2 ± 295.5

596.5 ± 304.4

<0.001

Duration of stimulation (days)

10.3 ± 2.8

8.4 ± 2.8

<0.001

n follicles 14–17 mm

1.4 ± 0.9

1.2 ± 1.2

0.031

Endometrial thickness (mm)

9.0 ± 2.1

9.2 ± 3.3

0.554

Mobile sperm count (million)

14.5 ± 12.5

15.6 ± 13.3

0.230

Medication expenses (€):

452.72 ± 157.60

303.22 ± 132.93

<0.001

Clinical pregnancy (%)

31 (13.7 %)

111 (16.2 %)

0.371

Clinical pregnancy OR

Ongoing pregnancy (%):

27 (11.9 %)

102 (14.9 %)

0.271

Ongoing pregnancy OR