Human reproduction
hideHuman reproduction is any form of sexual reproduction resulting in the conception of a child, typically involving sexual intercourse between a man and a woman. During sexual intercourse, the interaction between the male reproductive system and the female reproductive system results in fertilization of the woman's ovum by the man's sperm, which after a gestation period is followed by childbirth. The fertilization of the ovum may nowadays be achieved by artificial insemination methods, which do not involve sexual intercourse.
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News tagged with human reproduction
New human reproductive hormone could lead to novel contraceptives
Dec 22, 2009 |
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(PhysOrg.com) -- Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening ...
Largest study of PGD children shows embryo biopsy is safe for singleton pregnancies
Dec 22, 2009 |
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The largest and longest running study of children born after preimplantation genetic diagnosis and screening has shown that embryo biopsy does not adversely affect the health of babies born as the result of a subsequent singleton ...
Why females live longer than males: is it due to the father's sperm?
Dec 01, 2009 |
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Researchers in Japan have found that female mice produced by using genetic material from two mothers but no father live significantly longer than mice with the normal mix of maternal and paternal genes. Their findings provide ...
For young boys with cancer, testicular tissue banking may be option to preserve fertility
Nov 09, 2009 |
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For parents of children with cancer, the hopeful news is that pediatric survival rates have steadily improved for decades. Among the bad news—treatments that enable survival often cause infertility.
Why sex with a partner is better (w/ Video)
Oct 21, 2009 |
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(PhysOrg.com) -- OK, it takes two for human reproduction, and now it seems that plants and animals that can rely on either a partner or go alone by self-fertilization give their offspring a better chance for ...
At last -- a quick and accurate way of diagnosing endometriosis
Aug 19, 2009 |
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A quick and accurate test for endometriosis that does not require surgery has been developed by researchers from Australia, Jordan and Belgium, according to new research published online today (Wednesday 19 August) in Europe's ...
New technique could save cancer patients' fertility
Jul 13, 2009 |
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The tiny translucent egg nestled in the special laboratory gel was a mere 30 days old, but its four-week birthday caused researchers to quietly celebrate. This was the first time anyone had successfully grown a woman's immature ...
New research challenges stereotypes about older mums
Jul 08, 2009 |
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(PhysOrg.com) -- New research on first-time older mums has found they cope surprisingly well with the physical demands of pregnancy compared to younger mums, but are understandably more anxious about the well being of their ...
Women with endometriosis need special care during pregnancy to avoid risk of premature birth
Jul 01, 2009 |
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The largest study to date of endometriosis in pregnant women has found that the condition is a major risk factor for premature birth, the 25th annual conference of the European Society of Human Reproduction and Embryology ...
Will IVF work for a particular patient? The answer may be found in her blood
Jul 01, 2009 |
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For the first time, researchers have been able to identify genetic predictors of the potential success or failure of IVF treatment in blood. Dr. Cathy Allen, from the Rotunda Hospital, Dublin, Ireland, told the 25th annual ...
Polycystic ovarian syndrome: New light on its causes and its effect on brothers
Medicine & Health / Psychology & Psychiatry
Jun 30, 2009 |
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Researchers have found evidence that chronic disease in either a mother or father can create unfavourable conditions in the womb that are associated with the development of polycystic ovarian syndrome (PCOS) in daughters. ...
Single thawed embryo transfer after PGD does not affect pregnancy rates
Jun 30, 2009 |
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Transferring just one embryo at a time to a woman's womb after embryos have undergone preimplantation genetic diagnosis (PGD) and freezing at the blastocyst stage has become a real option after researchers achieved pregnancy ...
Daily sex helps to reduce sperm DNA damage and improve fertility
Jun 30, 2009 |
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Daily sex (or ejaculating daily) for seven days improves men’s sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society ...
Female human embryos adjust the balance of X chromosomes before implantation
Jun 29, 2009 |
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Dutch researchers have found the first evidence that a process of inactivating the X chromosome during embryo development and implantation, which was known to occur in mice but unknown in humans, does, in fact, take place ...
Who goes abroad for fertility treatment and why?
Jun 29, 2009 |
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A substantial number of European patients travel to other countries for fertility treatment, both because they think that they will receive better quality care abroad and in order to undergo procedures that are banned in ...
