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The postcoital test (PCT), also known as the Sims test, Hühner test ,Sims–Hühner test, or cervical mucous penetration assay is a test in the evaluation of infertility. The test examines interaction between sperm and mucus of the cervix .
The assay is also referred to as ejaculate analysis, human sperm assay (HSA), sperm function test, and sperm assay. [citation needed] Semen analysis is a complex test that should be performed in andrology laboratories by experienced technicians with quality control and validation of test systems.
The hamster zona-free ovum test (HZFO test), or hamster egg-penetration test, or sometimes just hamster test, is an in-vitro test used to study physiological profile of spermatozoa. [1] The primary application of the test is to diagnose male infertility caused by sperm unable to penetrate the ova .
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Collecting the sperm at home gives a higher sperm concentration, sperm count and motility, particularly if the sperm is collected via sexual intercourse. [35] If the semen sample is to be collected by masturbation, a specimen from the early stages of the ejaculate should be into a clean, unused, sealed collection cup.
Sarah Mill made a pledge to herself to undergo IVF by the time she turned 37, if she hadn't yet met the right partner.
Sexual intercourse in the missionary position depicted by Édouard-Henri Avril (1892). Sexual intercourse (also coitus or copulation) is a sexual activity typically involving the insertion and thrusting of the male penis inside the female vagina for sexual pleasure, reproduction, or both. [1]
Stained human sperm. Sperm competition is a form of post-copulatory sexual selection [1] whereby male sperm simultaneously physically compete to fertilize a single ovum. [2] Sperm competition occurs between sperm from two or more rival males when they make an attempt to fertilize a female within a sufficiently short period of time. [3]