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the yogin should ejaculate, but after having done so he should positively regain this medhra (the bindu or semen emitted), and "having done so by a pumping process, the yogin must conserve it, for by the loss of the bindu comes death, and by its retention, life." Thus we seem here to be in the presence of a veritable seminal aspiration, the ...
[11] A second method involved the man applying pressure on the perineum, thus retaining the sperm. While if done incorrectly this can cause retrograde ejaculation, the Taoists believed that the jing traveled up into the head and "nourished the brain." [12] Cunnilingus was believed to be ideal by preventing the loss of semen and vaginal liquids.
Before semen collection the patient must empty his bladder. The patient then has to masturbate in one container and immediately after has to urinate in another container. [12] The male's ejaculate may be centrifuged from urine voided, and the isolated sperm injected directly into the woman through the use of intrauterine insemination. [4] In ...
The ancient world discouraged promiscuity for both health and social reasons. [4] According to Pythagoras (6th century BCE), sex should be practiced in the winter, but not the summer, but was harmful to male health in every season because the loss of semen was dangerous, hard to control, and both physically and spiritually exhausting, but had no effect on females. [4]
English: Real-time demonstration of the production of male pre-ejaculatory fluid. The subject is a 27-year-old healthy circumcised Caucasian male whose genitals are in a state of mild sexual arousal.
Vajroli mudra (Sanskrit: वज्रोली मुद्रा vajrolī mudrā), the Vajroli Seal, is a practice in Hatha yoga which requires the yogi to preserve his semen, either by learning not to release it, or if released by drawing it up through his urethra from the vagina of "a woman devoted to the practice of yoga".
Although the refractory period varies widely among individuals, ranging from minutes to days, [4] [5] [6] most men cannot achieve or maintain an erection during this time, and many perceive a psychological feeling of satisfaction and are temporarily uninterested in further sexual activity; the penis may be hypersensitive, and further sexual stimulation may feel painful during this time frame.
A 1992 World Health Organization report described normal human semen as having a volume of 2 mL or greater, pH of 7.2 to 8.0, sperm concentration of 20×10 6 spermatozoa/mL or more, sperm count of 40×10 6 spermatozoa per ejaculate or more, and motility of 50% or more with forward progression (categories a and b) of 25% or more with rapid ...