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Inherent ranges of seminal prolactin in pre- and postvasectomy subjects.
Metadata
JournalInt. J. Fertil.Not FoundDate
1979
Type
Journal Article
Comparative Study
Volume
1979 / 24 : 286-88
Author
Luqman W , Smith M , Plymate S
Doi
Not Found
PMIDMESH
Adult
Evaluation Studies as Topic
Humans
Male
Middle Aged
Prolactin
Semen
Vasectomy
Abstract
Seminal immunoreactive prolactin (i prolactin) was studied in 14 healthy subjects, ages 31 +/- 2 SEM, before and after undergoing elective vassectomy for birth control. Seminal plasma was separated within 2 hours of ejaculation, and prolactin was measured in duplicate by radioimmunoassay. The difference between the prevasectomy (mean +/- SEM 11.1 +/- 0.8 ng/ml) and postvasectomy seminal i prolactin (mean +/- 9.9 +/- 0.7 ng/ml) was statistically significant (mean +/- SEM 1.21 +/- 0.53 ng/ml, paired t-test, t = 2.36, P < 0.05). The mean prevasectomy seminal prolactin correlated with the corresponding mean postvasectomy value of the same subject (linear regression analyses, r = 0.77, P < 0.001). This study suggested that the accessory sex organs were the major source of seminal immunoreactive prolactin, and that a minor contribution might come from the in vivo presence of spermatozoa and/or testicular secretions. It also suggested that the magnitude of seminal immunoreactive prolactin was characteristic for each individual.
Keywords: Biology Endocrine System Family Planning Genitalia Genitalia, Male Hormones Male Sterilization Physiology Pituitary Hormones Prolactin--analysis Semen--analysis Seminal Vesicles Sperm Count Sterilization, Sexual Urogenital System Vasectomy
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Int. J. Fertil.International journal of fertility
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