V
VAGINITIS
Yeast, bacterial vaginosis, or trichomonas infections
of the vagina. Frequent vaginitis may indicate the presence
of pelvic adhesions and tubal blockage from other infections,
such as chlamydia. Vaginitis may interfere with sperm
penetration of the cervical mucus, and the symptoms may
even interfere with the ability and desire to have intercourse.
VARICOCELE
A dilation of the veins that carry blood out of the scrotum.
The resulting swollen vessels surrounding the testicles
create a pool of stagnant blood, which elevates the scrotal
temperature. A major cause of male infertility.
VAS
DEFERENS One of the tubes through which the sperm
move from the testicles (epididymis) toward the seminal
vesicles and prostate gland. These tubes are severed during
a vasectomy performed for birth control.
VASECTOMY
The accidental or elective surgical separation of the
vasa deferential a procedure used for birth control.
VENEREAL
DISEASE Any infection that can be sexually transmitted,
such as chlamydia, gonorrhoea, ureaplasma, and syphilis.
Many of these diseases will interfere with fertility and
some will cause severe illness. See also PID.
