In the absence
of male factor infertility, ICSI use was associated with small but statistically significant decreases in implantation, pregnancy, live birth, multiple live birth, and low birth weight rates compared with conventional IVF.
Not exact matches
According to the American Society for Reproductive Medicine, approximately a third
of infertility problems are due to
male factors, another third are due to female
factors, and the remaining third can be attributed to a combination
of female and
male factors.
Male factors make up half
of the causes
of infertility that Dr. Fady Sharara may identify at our Virginia fertility center.
During her seven years on faculty at the University
of California, San Francisco, she developed particular interest in severe
male factor infertility and genetic problems associated with
infertility.
Approximately 30 %
of infertility is due to a female
factor and 30 % is due to a
male factor.
Actually, about 33 %
of the time the problem is caused by
male infertility; another 33 % are caused by female
infertility factors and the remaining one - third are caused by a combination
of the two.
Many men are not aware
of male infertility risk
factors, and they are not aware that they can decrease their risk.
Male infertility factors account for about a third
of fertility problems.
After adjusting for certain
factors including age
of patient at time
of treatment, cause
of female or
male infertility, and type
of treatment (ICSI vs IVF), the study found that White Irish, South Asian Indian, South Asian Bangladeshi, South Asian Pakistani, Black African, and Other Asian women had a significantly lower odds
of a live birth than White British women.
ICSI had been carried out for the fathers
of 50 out
of 54
of the young men because
of male -
factor infertility (48 for
male infertility only, two for combined
male and female
infertility), while the remaining four sets
of parents suffered from
infertility with unknown cause.
The introduction
of ICSI in 1992 revolutionized the treatment
of couples with
male factor infertility (
infertility due to abnormal semen characteristics, abnormal sperm function, or surgical sterilization), and made paternity possible for a large proportion
of men with no measurable sperm count.
During 2008 - 2012,
male factor infertility was reported for 35.7 percent (176,911 / 494,907)
of fresh cycles.
Of the 1,395,634 fresh IVF cycles from 1996 through 2012, 908,767 (65.1 percent) used ICSI and 499,135 (35.8 percent) reported
male factor infertility.
The report in Human Reproduction shows that while ICSI use has levelled off in some regions, its use is approaching 100 %
of assisted reproduction cycles in the Middle East and a few countries in other regions, despite the fact that ICSI was developed for the treatment
of male infertility, which is a
factor in around 40 %
of couples seeking fertility treatment [2].
«After only two days
of abstinence, sperm from patients with
male factor infertility initiate a process
of quality degradation,» Dr. Eliahu Levitas
of Soroka University Medical Center in Beer - Sheva, Israel, and colleagues report in the journal Fertility and Sterility.
Changes in the levels
of male and female hormones can be caused by a variety
of factors, and can result in erectile dysfunction (impotence) in men, and can be a cause
of infertility and low sex drive in both sexes.
Generally, the cause
of infertility for a couple is 30 % a
male infertility factor, 30 % female, and 30 % both or undetermined.
Topics include: naturopathic therapies to increase sex drive, how to know if you're ovulating, commonly overlooked causes
of infertility, the role
of nutrition in fertility, PCOS, the
male factor, and much more!!
In fact,
male fertility
factors contribute to approximately 50 %
of all
infertility cases.
London About Blog Find the latest research, reviews and news about
Male factor infertility from across all
of the Nature journals.