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Combined administration of levonorgestrel and testosterone induces more rapid and effective suppression of spermatogenesis than testosterone alone: a promising male contraceptive approach
(Endocrine Society, 1996-02)
Studies using high dose testosterone (T) administration in normal men as a
male contraceptive have resulted in azoospermia rates of only 50-70%.
Previous studies of T and progestogen combinations have shown comparable
rates of azoospermia, but have been uncontrolled or used T in doses less
than ...
Annual patterns of luteinizing hormone, follicle stimulating hormone, testosterone and inhibin in normal men
(Oxford University Press, 1996-02)
Reproductive functions in most animals demonstrate seasonal fluctuations
that allow young to be born at a time of the year favourable for their
survival. Whether there is a seasonal change in the human reproductive
system is unclear. In the present study, we measured serum concentrations
of luteinizing ...
Stimulation of sperm production by human luteinizing hormone in gonadotropin-suppressed normal men
(Endocrine Society, 1984-11)
The relative roles of FSH and LH in the control of human spermatogenesis
are not well established. We previously reported that supraphysiological
doses of hCG can stimulate sperm production in gonadotropin-suppressed
normal men despite prepubertal FSH levels. To determine whether more
nearly ...
Two pools of luteinizing hormone in the human pituitary: evidence from constant administration of luteinizing hormone-releasing hormone
(Endocrine Society, 1974-11)
No abstract or description.
Reifenstein's syndrome: investigation of linkage to X-chromosomal loci
(Blackwell Publishing, 1974)
No abstract or description.
The association of D-group chromosomal translocations and defective spermatogenesis
(Elsevier, 1976-02)
D-group chromosome translocations have been associated in isolated cases
with infertility in males. In this study, we demonstrated the effect of a
translocated D-group chromosome on spermatogenesis as it had segregated
among three male members of one family. Although the father, who carried
the ...
Testosterone enanthate at a dose of 200 mg/week decreases HDL-cholesterol levels in healthy men
(Blackwell Publishing, 1995-10)
The concept that androgen alone can provide an effective male
contraceptive has been tested in a multicentre, multiphase trial by the
World Health Organization. Results from this trial showed that an ester of
testosterone, testosterone enanthate (TE), administered at a dose of 200
mg/week, has a ...
Klinefelter's Syndrome
(Elsevier, 2000-07)
No abstract or description.
Preservation of fertility despite subnormal gonadotropin and testosterone levels after cessation of pulsatile gonadotropin-releasing hormone therapy in a man with Kallmann's syndrome
(Elsevier, 1994-02)
A man with IHH and anosmia presented in 1980. He was successfully treated
with various hormonal regimens; four children were conceived with hCG or
pulsatile GnRH therapy. The patient discontinued GnRH after the fourth
child was conceived, and testosterone enanthate injections were
prescribed. ...
Elevated serum follicle-stimulating hormone levels in men with normal seminal fluid analyses
(Elsevier, 1983-03)
Three men who volunteered as normal subjects were found to have abnormally
high levels of serum follicle-stimulating hormone (FSH) despite having
normal seminal fluid analyses and fertility. Two of the men had a history
of previous orchitis, and one had an atrophic testis. Serum luteinizing
hormone ...