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Sterility is the physiological inability to effect sexual reproduction in a living thing, members of whose kind have been produced sexually. Sterility has a wide range of causes. It may be an inherited trait, as in the mule; or it may be acquired from the environment, for example through physical injury or disease, or by exposure to radiation.
Lordosis behavior (/ l ɔːr ˈ d oʊ s ɪ s / [1]), also known as mammalian lordosis (Greek lordōsis, from lordos "bent backward" [1]) or presenting, is the naturally occurring body posture for sexual receptivity to copulation present in females of most mammals including rodents, elephants, cats, and humans.
Importantly so, we decrease the number of studies that are geared towards women's reproductive issues, such as genital disease. In efforts to encourage women to participate in clinical research, the National Institute of Health (NIH) launched the women's health initiative in 1991 that focuses clinical trials and observational studies on post ...
The condition occurs in most dioecious species, which consist of most animals and some plants. Differences may include secondary sex characteristics, size, weight, color, markings, or behavioral or cognitive traits. Male-male reproductive competition has evolved a diverse array of sexually dimorphic traits.
If animals can be bred on the same schedule, it increases convenience for the livestock owner, since the young animals will be at the same stage of development. Also, if artificial insemination (AI) is used for breeding, the AI technician's time can be used more efficiently, by breeding several females at the same time.
Numerous studies have shown living in a household with a cat is not a significant risk factor for T. gondii infection, [61] [63] [64] though living with several kittens has some significance. [ 65 ] In 2006, a Czech research team [ 66 ] discovered women with high levels of toxoplasmosis antibodies were significantly more likely to give birth to ...
Scientists have never been able to explain why women are at such greater risk of autoimmune disease, but new research published in Cell on February 1 could hold the answer. And the key lies in the ...
Reproductive tract infection (RTI) are infections that affect the reproductive tract, which is part of the reproductive system.For females, reproductive tract infections can affect the upper reproductive tract (fallopian tubes, ovary and uterus) and the lower reproductive tract (vagina, cervix and vulva); for males these infections affect the penis, testicles, urethra or the vas deferens.