The reappearance of sperm (mostly immotile) after documented azoospermia in 2 post-vasectomy semen samples may be much higher than 1/2000, according to the reported identification of spermatozoa in nearly 10% of ejaculates
from men undergoing semen assessment prior to vasectomy reversal.
Furthermore, if the complete ejaculate
was not collected during ejaculation, a sticker is available to indicate this to the technologist.
The qualification of boars to the experimental groups was based on sperm morphology analyses of at least 5 ejaculates
previously collected from each boar.
A HE could have "retarded ejaculation" - a term which means he finds it hard to ejaculate
The results of the study revealed no significant negative effect of Kan Jang on male semen quality and fertility, but rather a positive trend with respect to the number of spermatozoids in the whole ejaculate
, the percentage of active (normokinetic) forms of spermatozoids, and fertility indexes, together with a decrease in the percentage of inactive (diskinetic) forms of spermatozoids.
The researchers now hope that future studies will better identify how males adjust the sperm and seminal fluid in their ejaculates
, and how this affects fertility rates.
T HIS condition occurs if a man cannot exert control over when he ejaculates
With the reproductive odds stacked against them these low status roosters have fought back by developing larger ejaculates
in the hope of increasing their chances of passing on their genes.
and variations, and "Set, a Luca Jesuit `angina man,' Ignatius, ejaculates
Well, if he can't get an erection, if he ejaculates
too quickly or if it takes him so long to ejaculate
he can't imagine a woman waiting for him.
If a man ejaculates
before he or his partner is satisfied then this is a problem.
I get really sore and itchy down below after sex and if he ejaculates
on my skin that gets a bit red and irritated too.
Q My boyfriend and I use condoms and he always puts them on just before he ejaculates
With premature ejaculation a man gets aroused without a problem but then ejaculates
Studies conducted in the past have shown that in animals, such as the domestic fowl, and fish, such as the Arctic charr, males with privileged access to females produce ejaculates
of lower fertilising quality than subordinate males.