News tagged with human reproduction
Deformed limbs linked to smoking in pregnancy
Missing or deformed limbs, clubfoot, facial disorders and gastrointestinal problems are some of the most common birth defects found to be associated with smoking during pregnancy, according to a major new report led by scientists ...
Health
Jul 11, 2011 |
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BPA alters development of in vitro ova and could increase risk of Down syndrome
Researchers at Universitat Autonoma de Barcelona analysed the effects of Bisphenol A (BPA), a polymer widely used to manufacture plastics, in an in vitro culture of ovaries. The research demonstrated that exposure to this ...
Health
Sep 21, 2011 |
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Cilia guide neuronal migration in developing brain
A new study demonstrates the dynamic role cilia play in guiding the migration of neurons in the embryonic brain. Cilia are tiny hair-like structures on the surfaces of cells, but here they are acting more ...
Medical research
Nov 12, 2012 |
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Scientists record electrical currents that control male fertility
Performance anxiety? Not for this human sperm.
Medical research
Dec 29, 2011 |
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Childless men more at risk of death from cardiovascular disease
The risk of dying from cardiovascular disease is higher for childless men than for fathers, according to a large study led by a researcher at the Stanford University School of Medicine.
Cardiology
Sep 26, 2011 |
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Early embryos can correct genetic abnormalities during development
Professor William G. Kearns told the annual meeting of the European Society of Human Reproduction and Embryology that a three-day-old embryo (called a cleavage stage embryo) with an incorrect number of chromosomes (known ...
Genetics
Jul 05, 2011 |
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Fail-safe system may lead to cures for inherited disorders
Scientists at the University of California, San Diego School of Medicine have uncovered a previously unknown fail-safe (compensatory) pathway that potentially protects the brain and other organs from genetic and environmental ...
Medical research
Sep 15, 2011 |
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Researchers identify genetic markers to predict male fertility
A study performed by scientists at the Bellvitge Biomedical Research Institute and the Puigvert Foundation has identified a gene expression fingerprint associated with very low pregnancy rates in semen donors with normal ...
Genetics
May 23, 2012 |
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Unhealthy lifestyles have little impact on sperm quality: study
Lifestyle advice given by doctors to men diagnosed with infertility should be radically overhauled according to research published today (Wednesday).
Medical research
Jun 12, 2012 |
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Study reveals rate at which key genetic deletions contribute to male infertility
A large-scale analysis of Y chromosomes from more than 20,000 men finds that two spontaneously recurring deletions along a complex region of the Y chromosome are responsible for approximately 8% of cases of failed sperm production.
Genetics
Oct 25, 2012 |
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Sperm length variation is not a good sign for fertility
(Medical Xpress)—A new study published online in the journal Human Reproduction finds that the greater the inconsistency in the length of sperm, particularly in the tail (flagellum), the lower the concen ...
Medical research
Nov 13, 2012 |
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BPA shown to disrupt thyroid function in pregnant animals and offspring
In utero exposure to bisphenol A (BPA) can be associated with decreased thyroid function in newborn sheep, according to a recent study accepted for publication in Endocrinology. Hypothyroidism is characterized by poor mental ...
Health
Nov 14, 2012 |
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Harmful effects of bisphenol A proved experimentally
Weak concentrations of bisphenol A are sufficient to produce a negative reaction on the human testicle. This has just been shown experimentally for the first time by René Habert and his colleagues (UMR Cellules ...
Health
Jan 22, 2013 |
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New relief for gynecological disorders
The creation of new blood vessels in the body, called "angiogenesis," is usually discussed in connection with healing wounds and tumors. But it's also an ongoing process in the female reproductive tract, ...
Diseases, Conditions, Syndromes
Apr 03, 2013 |
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Human reproduction
Human 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.
For more information about Human reproduction, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
