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

Table 1 Total number of recovered spermatozoa (× 10³) according to the segment of the Fallopian tube and treatment

	LNG in the medium	N	Sperm count (Mean ± SEM)	Range	p-value
Isthmus*					0.66
	Yes	13	4.6 ± 1.7	0-20
	No	13	3.8 ± 1.7	0-15
Isthmus with Triton**					0.23
	Yes	11	0.5 ± 0.2	0-2
	No	11	1.6 ± 0.7	0-7
Ampulla*					0.54
	Yes	13	38.9 ± 11.8	0-130
	No	13	33.5 ± 12.1	0-140
Ampulla with Triton**					0.71
	Yes	11	6.8 ± 2.8	0-26
	No	11	5.2 ± 3.0	0-33
Medium*					0.30
	Yes	13	181.9 ± 87.8	0-1,200
	No	13	217.7 ± 85.4	30-1,200

*Motile spermatozoa recovered
**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