In vitro assessment of some sperm function following exposure to levonorgestrel in human fallopian tubes

Table 2 Total number of recovered spermatozoa (× 10³) according to the side with or without ovarian follicle and according to the segment of the tube and treatment

	LNG in the medium	N	Sperm count (Mean ± SEM)	Range	p-value
With ovarian follicle
Isthmus					0.26
	Yes	6	2.5 ± 1.7	0-10
	No	7	7.1 ± 2.6	0-15
Isthmus with Triton*					0.14
	Yes	5	0.2 ± 0.2	0-1
	No	6	2.3 ± 1.1	0-7
Ampulla					0.40
	Yes	6	51.7 ± 23.7	0-130
	No	7	22.9 ± 10.4	0-80
Ampulla with Triton*					1.00
	Yes	5	8.8 ± 5.5	0-26
	No	6	3.8 ± 2.0	0-12
Medium
	Yes	6	67.5 ± 31.2	0-190	0.12
	No	7	300.7 ± 152.6	30-1200
Without ovarian follicle
Isthmus					0.07
	Yes	7	6.4 ± 2.8	0-20
	No	6	0.0	0
Isthmus with Triton*					1.00
	Yes	6	0.7 ± 0.3	0-2
	No	5	0.8 ± 0.6	0-3
Ampulla					1.00
	Yes	7	27.9 ± 8.7	0-65
	No	6	45.8 ± 23.6	0-140
Ampulla with Triton*					0.52
	Yes	6	5.2 ± 2.8	0-18
	No	5	6.8 ± 6.6	0-33
Medium					0.68
	Yes	7	280.0 ± 156.4	30-1200
	No	6	120.8 ± 43.3	30-285

*The spermatozoa from the flushing with Triton were considered adhered to the Fallopian epithelium.
Medium: refers to the medium used in the experiments in which the tubes were immersed during incubation.

ISSN: 1477-7827