Table III. IVF parameters in cycles before and after laparoscopic treatment of endometriosis (N=30)
IVF cycle before surgery IVF cycle after surgery
Days on OCPs 20.3±3.2 18.4±4.6
Days of stimulation 10.5±2.4 10.9±1.9
Amount of gonadotropins in IU 4,950±540 5,025±420
Endometrial lining in mm 10.0±1.2 10.1 +/1 1.8
Number of follicles 15.2±2.6 12.8±1.8
Number of oocytes 11.6±2.3 9.9±3.3
ICSI 17% 23%
Fertilization rate 65% IVF 68% IVF
70% ICSI 75% ICSI
Assisted hatching 53% 67%
Number of ET 2.8±1.1 3.3±0.9
Number of eight cell day 3 embryos 2.6±1.1 2.3±0.9
Number of day 3 embryos six cell or higher & Grade I or II 3.8±1.2 3.3±1.6
Blastocyst (day 5) transfers 13% 20%
Number of blastocysts frozen 2.1±1.3 2.8±2.1

No P-value <0.05