One of the most common and intractable problems we face as fertility specialists is teratospermia and oligoasthenoteratospermia. First of all, let's be clear that men participate in the process of conception with a very poor genetic makeup. This is because we use tens of millions of spermatozoa to fertilise our partner's single egg, without knowing…
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Obesity
Exceeding the ideal body weight has been associated with a 30% reduction in fertility potential, both in natural conception and in IVF. Obesity is also thought to have an aggravating effect during pregnancy as it is related to an increased risk of gestational diabetes, preeclampsia and other complications during pregnancy.
An accurate way to…
1. The absence of sperm in the testicles or the absences of testicles, described as non-obstructive azoospermia, are the most basic factors of male infertility. The causes that lead to these situations are
Chromosomal or genetic abnormalities such as deletions of chromosome parts or genes
Inability of testicular descent
Surgical removal of the testicles due…
Absence of eggs in the ovaries or absence of ovaries (Rare)
Genetic defects (chromosomal defects or gene defects) in the egg's DNA
Surgical removal of the ovaries in the past
Premature menopause & ovarian failure
Ovarian damage from toxic agents such as chemotherapy
Inability to mature or release eggs (anovulation) - (Common)
Hormonal disorders of…
Very often I meet couples that show me a normal sperm count analysis and presume that the sperm is not a problem, or vice versa they show me a pathological sperm count which in their opinion is enough to sentence the man to "eternal" infertility. Fortunately or unfortunately this is not the case.
Semen is…
In cases where mild oligoasthenoteratospermia is observed and the numeric requirements set by the WHO are met, a decision may be made to perform sperm Intrauterine Insemination (IUI). During this procedure, the semen is subjected to a special treatment (centrifugation using the PERCOLL method) which intends to isolate the spermatozoa from the seminal plasma and select…