Sperm cells are gametes sex cells that are produced in the testicular organ gonad of male human beings and animals. Like the female gamete Oocyte , sperm cells carry a total of 23 chromosomes that are a result of a process known as meiosis. In both animals and human beings, among many other organisms, these cells are involved in the sexual mode of reproduction which involves the interaction of male and female gametes. The general morphology of sperm cells consists of the following parts:.
Sperm DNA damage may contribute to repeat miscarriages
Catch the Sperm - Wikipedia
Up to 15 percent of couples are infertile. This means they aren't able to conceive a child, even though they've had frequent, unprotected sexual intercourse for a year or longer. In over a third of these couples, male infertility plays a role. Male infertility is due to low sperm production, abnormal sperm function or blockages that prevent the delivery of sperm. Illnesses, injuries, chronic health problems, lifestyle choices and other factors can play a role in causing male infertility.
Some cases of recurrent pregnancy loss may be caused by sperm DNA damage in the male partner, rather than by a problem in affected women, according to research to be presented Sunday, March 24 at ENDO , the Endocrine Society's annual meeting in New Orleans, La. Between 1 and 2 percent of couples have recurrent pregnancy loss RPL , defined as the consecutive loss of three or more pregnancies before 20 weeks gestation. Male partners of women with RPL do not routinely undergo assessment to see if they play a role.
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