Oligospermia Health Dictionary

Oligospermia: From 3 Different Sources


A temporary or permanent deficiency in the number of sperm in the semen. Oligospermia is a majorcause of infertility, especially when other disorders of the sperm are also present.

Normally, there are more than 20 million sperm per millilitre of semen. A low sperm count can be due to various disorders, including orchitis, undescended testis (see testis, undescended), and, infrequently, a varicocele (varicose vein of the testis). Smoking, alcohol abuse, stress, and some drugs may cause temporary oligospermia. Treatment is for the underlying cause. If the cause is unknown, gonadotrophin hormones may be prescribed. (See also azoospermia.)

Health Source: BMA Medical Dictionary
Author: The British Medical Association
A less-than-normal number of sperm (see SPERMATOZOON) present in each unit volume of seminal ?uid (each ml of semen usually contains 20 million sperm). The condition may be permanent or temporary and is a major cause of INFERTILITY in men. It may be caused by ORCHITIS, an undescended testis, or VARICOCELE, and should be investigated.
Health Source: Medical Dictionary
Author: Health Dictionary
n. a reduced number of spermatozoa in the semen (see seminal analysis). In oligospermia there are less than 20 million spermatozoa per ml with poor motility (asthenospermia) and often including many bizarre and immature forms (teratospermia). Treatment is directed to any underlying cause (such as *varicocele). See also andrology; infertility.
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Infertility

The inability to produce offspring, which may result from a problem in either the male or the female reproductive system, or, in many cases, from a combination of problems in both.

The main cause of male infertility is a lack of healthy sperm. In azoospermia, no sperm are produced; in oligospermia only a few sperm are produced. In some cases, sperm are produced but are malformed or short-lived. The underlying cause of these problems may be blockage of the spermatic tubes or damage to the spermatic ducts, usually due to a sexually transmitted infection. Abnormal development of the testes due to an endocrine disorder (see hypogonadism) or damage to the testes by orchitis may also cause defective sperm. Smoking, toxins, or various drugs can lower the sperm count. Other causes are disorders affecting ejaculation (see ejaculation, disorders of). Rarely, male infertility is due to a chromosomal abnormality, such as Klinefelter’s syndrome, or a genetic disease, such as cystic fibrosis.

The most common cause of female infertility is failure to ovulate. Other causes are blocked, damaged or absent fallopian tubes; disorders of the uterus, such as fibroids and endometriosis; problems with fertilization, or implantation in the uterus (see implantation, egg). Infertility also occurs if the woman’s cervical mucus provides antibodies that kill or immobilize her partner’s sperm. Rarely, a chromosomal abnormality, such as Turner’s syndrome, is the cause of a woman’s infertility.

Investigations to discover the cause of a woman’s infertility may include blood and urine tests, to check that ovulation is occurring, and laparoscopy to determine whether or not an abnormality is present. The initial investigation for male infertility is seminal fluid analysis.

Treatment of male infertility is limited. The only option for azoospermia is adoption of children or artificial insemination by a donor. If the sperm count is low, artificial insemination by the male partner may be tried. In some cases of male infertility due to a hormonal imbalance, drugs such as clomifene or gonadotrophin hormone therapy may prove useful.

Failure of the woman to ovulate requires ovarian stimulation with a drug such as clomifene, either with or without a gonadotrophin hormone. Microsurgery can sometimes repair damage to the fallopian tubes. If surgery is unsuccessful, in vitro fertilization (IVF) is the only option. Uterine abnormalities or disorders, such as fibroids, may require treatment. In some cases, provided the woman has normal fallopian tubes, gamete intrafallopian transfer (GIFT) or zygote intrafallopian transfer (ZIFT) may be carried out.... infertility

Donor Insemination

Use of the SEMEN of an anonymous donor to produce fertilisation in cases of INFERTILITY where the male partner has OLIGOSPERMIA or IMPOTENCE. The donor is chosen for ethnic and physiognomic similarity to the male partner and is screened for transmissible diseases

(e.g. HIV, syphilis, hepatitis, gonorrhoea, and genetic disorders). Insemination is performed at the time of ovulation by introducing the semen into the upper vagina. Semen may be fresh or have been stored frozen in liquid nitrogen. (See ARTIFICIAL INSEMINATION.)... donor insemination

Pastinaca Secacul

Linn. Family: Umbelliferae; Apiaceae.

Habitat: Native to Europe. English: Wild Parsnip. Unani: Shaqaaq-ul-Misri.

Action: Root—galactagogue, aphrodisiac, spermatogenetic. An important ingredient of Unani compounds for oligospermia, low sexual drive and debility. Shaqaaq-ul-Misri has also been equated with Trachydium lehmanni Benth. In Kashmir, Eryngium caeru- leum Bieb (Umbelliferae) and in Chak- rata, Polygonatum verticillatum All. (Liliaceae) are known as shaqaaqul (also Dudhaali). Polygonatum verticillatum rhizomes are used in Tibetan medicine for emaciation and senility. The dried rhizomes contain diosgenin.... pastinaca secacul

Oligo-

A prefix meaning few, scanty or little, as in oligospermia (too few sperm in the semen).... oligo-

Asthenospermia

n. see oligospermia.... asthenospermia

Orchidotomy

n. an incision into the testis, usually done to obtain *biopsy material for histological examination, particularly in men with few or no sperm in their semen (see azoospermia; oligospermia). See also tesa.... orchidotomy

Teratospermia

n. see oligospermia.... teratospermia

Varicocele

n. a collection of dilated veins in the spermatic cord. Approximately 90%, affect the left side rather than the right. It usually produces no symptoms apart from occasional aching discomfort. In some cases varicocele is associated with testicular atrophy or a poor sperm count (see oligospermia) sufficient to cause infertility. Surgical correction or radiological embolization of the varicocele in such patients (varicocelectomy) usually results in a considerable improvement in the quality and motility of the sperm, but may or may not improve the number of pregnancies and live births thereafter. A renal cancer should be excluded in men presenting with a left-sided varicocele.... varicocele



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