Alina

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NameAlina
Emailalinazotkcina@yandex.ru
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Varicocele: symptoms and effects on sperm quality

What is a varicocele? A varicocele is a dilation of the pampiniform plexus, the network of veins that drains blood from the testicle. These veins normally help regulate testicular temperature by cooling arterial blood before it reaches the testis. When…

Hormones and male fertility: testosterone and hormonal imbalance

The hormonal axis behind sperm production Spermatogenesis is controlled by the hypothalamic-pituitary-gonadal axis. The hypothalamus releases gonadotropin-releasing hormone, or GnRH, in pulses. GnRH signals the pituitary gland to release luteinizing hormone, or LH, and follicle-stimulating hormone, or FSH. LH stimulates…

Semen analysis: how to read results and common abnormalities

What a semen analysis is, and what it is not A semen analysis is a laboratory test that evaluates the ejaculate. It typically measures semen volume, sperm concentration, total sperm number, motility, morphology, pH, liquefaction, viscosity, and sometimes the presence…

Sperm morphology and abnormal sperm shape impact

What sperm morphology means Sperm morphology is the microscopic assessment of sperm shape. A typical sperm has an oval head containing genetic material, an acrosome that helps the sperm interact with the egg, a midpiece rich in mitochondria for energy…

Sperm motility and factors affecting sperm movement

What sperm motility means Sperm motility is a core component of semen quality. In practical terms, it asks: how many sperm are moving, how well are they moving, and are they moving in a direction that could support fertilization? A…

Sperm count: normal ranges, low count, and causes

What sperm count measures In everyday language, “sperm count” often refers to how many sperm are present in a semen sample. In laboratory reporting, two related numbers are especially important. Sperm concentration is the number of sperm per milliliter of…

Male fertility basics: how it works, sperm production, and key factors

What male fertility requires For conception to occur, the male reproductive contribution must meet several biological requirements. The testes need to produce enough functional sperm; sperm must mature and travel through the epididymis and vas deferens; accessory glands must contribute…

Fibroids and fertility impact

Understanding fibroids in a fertility context Uterine fibroids, also called leiomyomas or myomas, arise from the myometrium, the muscular wall of the uterus. They are hormonally responsive and may enlarge during reproductive years, although their growth patterns vary widely. Some…

Age and female fertility decline

Why female fertility is strongly age-dependent Unlike sperm production, which continues throughout adult life, the female ovarian reserve is established before birth and declines continuously. During fetal life, the ovaries contain millions of germ cells. By birth, the number is…

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