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Fertility tests are an essential part of fertility evaluation and treatment. Through testing, your doctor can possibly discover what's preventing you and your partner from achieving pregnancy. Your regular gynecologist may do some basic testing.

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Sperm gets ejected from the penis, enters the vagina, and swims up the reproductive tract until they reach the egg to fertilize it. Barely years ago, it was considered a major scientific breakthrough when scientists came up with the idea that a fully formed, tiny human inhabited the head of each sperm — totally debunked and untrue. Fortunately, as the human body has evolved over thousands of years to maximize fertility potential, so has our scientific understanding about sperm.

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Low sperm numbers in artificial insemination AI -doses are being used widely to make the best use of high genetic value bulls as well as sex-sorted semen. Sperm concentration needed for AI to obtain reasonable fertility, taking genetic value of bull and numerous others components into consideration is one of the essential constituents for successful AI breeding program. However, low sperm concentrations in AI-doses lead to reducing post-thaw viability.

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Spermatozoa are constantly exposed to the interphase between oxidation through high amounts of reactive oxygen species ROS and leukocytes, and reduction by means of scavengers and antioxidants. Considering the very special functions as being the only cells with such high polarization and exerting their functions outside the body, even in a different individual, the female genital tract, the membranes of these cells are chemically composed of an extraordinary high amount of polyunsaturated fatty acids. This in turn, renders them very susceptible to oxidative stress, which is defined as an imbalance between oxidation and reduction towards the oxidative status.

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Achieving a healthy pregnancy is a complicated, multi-stage process involving two people. Every month, the female ovulates one mature egg from one of her ovaries. Here, it will begin to move slowly down the tube towards the womb uterus. However, for a pregnancy to develop it must first meet sperm from the male whilst it is still held in the fallopian tube.

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Artificial insemination AI is the deliberate introduction of sperm into a female's cervix or uterine cavity for the purpose of achieving a pregnancy through in vivo fertilization by means other than sexual intercourse. It is a fertility treatment for humans, and is common practice in animal breedingincluding dairy cattle see Frozen bovine semen and pigs. Artificial insemination may employ assisted reproductive technologysperm donation and animal husbandry techniques.

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