Infertility primarily refers to the biological inability of a man or a woman to contribute to conception. Infertility may also refer to the state of a woman who is unable to carry a pregnancy to full term.
Infertility is the inability to naturally conceive, carry or deliver a healthy child. There are many reasons why a couple may not be able to conceive, or may not be able to conceive without medical assistance .
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1 Definition ...
Infertility in some cases may stem from defects in the cytoplasm of the mother's egg.
Klinefelter syndrome -- an endocrine condition caused by a an extra X-chromosome (47,XXY); characterized by the lack of normal sexual development and testosterone, leading to infertility and adjustment problems if not detected and treated early.
She describes the precipitous rise of multiple births engendered by infertility treatment, looks critically at the lack of concern for the grave risks this poses to mothers and babies alike, and remarks that, ...
Common STDs that may cause infertility if left untreated
May also cause fertility problems
Increase in prevalence of genital herpes
STD present in most diagnosed cervical cancer
STD responsible for chancre ...
Genetic counselors work with prenatal, pediatric, and adult patients referred from a variety of clinics such as neurology, infertility, ophthalmology, endocrinology, dermatology, cardiology with genetic disorders.
About 1 in 6 couples is infertile due to physical or physiological conditions preventing gamete production, implantation, or fertilization. Blocked oviducts (often from untreated STDs) are the leading cause of infertility in females.
The cheetah bottleneck causes relative infertility because of the intense inbreeding. Similarly, the Hawaiian silversword has passed recently through its pwn bottleneck.
In 1992 his laboratory mapped and cloned the entire Y chromosome. Today, he uses the map and other tools to trace the genetic causes of male infertility, the history of the Y chromosome and human populations, ...
 See also: Trans, Human, Sexual, Chromosome, Cells
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