Male fertility falls with age, even after IVF, study finds

Male fertality

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Fertility treatments reduce the likelihood of a father becoming over 50 when they turn 50. According to Acta Obstetrics and Gynecology Scandinavia data, men over 50 have a 33% lower chance of live birth than men who receive in-vitro fertilization and intra-cytoplasmic sperm injection. The researchers said the decline in live birth rates was independent of a woman’s age. “Our study showed that live births and clinical pregnancies negatively affect a father’s age over 50,” wrote researchers at the Center for Genetic and Genetic Health. This, they said, was “whatever the cause of infertility.” About one in seven couples in the US have infertility, according to the Mayo Clinic. Research suggests that male fertility decreases with age. And that the father’s age associates with an increased risk of gestational complications. Especially, including gestational diabetes, which can adversely affect the baby’s health.

Male fertility falls with age, even after IVF, study finds

Possible causes of infertility in older men are low sperm count, obstruction of sperm.

Male fertility falls with age, even after IVF, study finds

And also, sperm motility due to abnormal shape. However, despite these problems, late parents are commonplace worldwide, according to the Center for Reproductive and Genetic Health. A previous study of 19,000 IVF treatment cycles found the success rate of a father’s procedure between the ages of 40. And 42 dropped to 46%, but little is known about the effectiveness of these procedures in men 50 and over. For this study, the researchers reviewed the outcome of pregnancy after following 5,000 IVF and intra-cytoplasmic sperm injections in about 4,300 men in the clinic.

About 1,974, or 40% of these treatments, had a live birth. However, based on WHO criteria, 42% of men over the age of 51 received adequate sperm count after treatment for a live pregnancy. The researchers said that 61% of men under 51 received adequate sperm count after treatment. As a result, the father’s age over the age of 50 was not associated with an increased risk of miscarriage. But the probability of stillbirth with the age of the father over the age of 50 decreased by 33%. The researchers wrote that “paternal age over the age of 50 significantly affects the likelihood of live births following assisted reproductive technology.” “Men should have a public health message so as not to delay paternity.”

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