First Part of Ejaculation May be Richer in Sperm

By Bobjgalindo (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 4.0-3.0-2.5-2.0-1.0 (http://creativecommons.o

According to a new study, the initial portion of a male’s ejaculate may be the part that contains the richest sperm density.

Research

Spanish researchers have discovered the first part of a male’s ejaculate is richer in sperm and it is of better quality, than other ejaculations that follow. The findings of the study confirm the objective that the first portion of ejaculate about 15 to 45 percent, is meant to fertilize a woman’s egg. Lead investigators feel the purpose of the following ejaculate is meant to prevent an egg from being fertilized by another man’s sperm.

Maria Hebles, the lead study of the author reports, “Ejaculate has always been considered as a whole. However, we believe that it is divided into two quite different phases due to its composition and physiological functions, aimed at achieving two equally important actions in terms of reproduction.”

The study’s authors added their findings seem to show how to sequester the best quality of sperm for in-vitro fertilization or IVF.

Hebles, co-director of the reproductive laboratory at Ginemed Assisted Human Reproduction Clinic in Seville, clarified that when it is used for in-vitro fertilization, a male’s ejaculation is usually gathered in a single vessel. What this means is that both phases of ejaculation are mixed together, and the resulting mixture could then have a negative effect on a male’s sperm.

In the study, the research team evaluated sperm from 40 men, who were requested to collect two phases of ejaculate separately into two different vessels.
Hebles stated,” As we were expecting the sperm from the first fraction of ejaculate were faster moving and the count was higher, and more importantly, they had higher DNA integrity than sperm from the second phase of ejaculation.”

What Does This Mean for IVF?

IVF is a type of assisted reproduction technology and it employs specialized medical techniques that help a female get pregnant. It is most often attempted when other, less expensive options have failed.

Normally, a woman’s egg and a man’s sperm join to form an embryo. However, when it’s impossible for a couple to conceive naturally it is sometimes necessary to seek alternative assisted fertility methods. Sometimes, a woman can take fertility medications in order to achieve pregnancy, however, sometimes more intensive intervention is necessary.

This study will allow the best sperm a man produces to be placed with the finest possible quality egg. Mixing the best semen a man has with the best quality of egg, will help increase the chances a woman has of becoming pregnant and having the healthiest baby possible.

Further study is needed in order to determine just how these findings can benefit infertile couples and how it can have a positive and beneficial impact on reproductive medicine.


 
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