News tagged with human reproduction
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 | 5 / 5 (2) | 0 |
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 | 5 / 5 (2) | 0
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 | 5 / 5 (2) | 1 |
Performance anxiety? Not for this human sperm.
Medical research Dec 29, 2011 | 4.5 / 5 (2) | 2
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 | 4 / 5 (2) | 0 |
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 | 5 / 5 (1) | 0
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 | 5 / 5 (1) | 0 |
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 | 5 / 5 (1) | 0
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 | 5 / 5 (1) | 0 |
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 | 5 / 5 (1) | 0 |
(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 | 5 / 5 (1) | 0 |
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 | 5 / 5 (1) | 0
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 | 5 / 5 (1) | 0
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 | 5 / 5 (1) | 0
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.
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