Biological Factors May Promote Intercourse During Most Fertile Days
Thursday, 10 June 2004
NEW YORK (Reuters Health) - The findings from a new study suggest that biological factors increase the likelihood that a woman will engage in intercourse during her most fertile days rather than at other times.
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UK Agency Orders Alarms for Frozen Sperm, Egg, Embryos
Wednesday, 09 June 2004
LONDON (Agence de Presse Medicale for Reuters Health) - Britain's Human Fertilisation and Embryology Authority (HFEA) on Tuesday ordered extra precautions to ensure thousands of frozen sperm, eggs and embryos cannot accidentally be destroyed by thawing.
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Serono Receives FDA Approval for Gonal-F Pen
Monday, 31 May 2004
ZURICH (Reuters) - Serono's Gonal-F pen, a device that administers drugs for treating infertility, has been approved by the U.S. Food and Drug administration, the Swiss biotech group said on Thursday.
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Baby Boy Born From Sperm Frozen Record 21 Years
Wednesday, 26 May 2004
LONDON (Reuters) - A baby boy was born after being conceived with sperm frozen 21 years earlier in what scientists said Tuesday was a new record.
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Transcription Factor Protein Needed for Renewal of Male Germline Stem Cells
Wednesday, 26 May 2004
NEW YORK (Reuters Health) - Two research groups have discovered that a DNA transcription repressor protein called Plzf is essential for the self-renewal of spermatogonial stem cells.
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Genomic Imprinting May Be Abnormal in Sperm of Men with Oligospermia
Monday, 24 May 2004
NEW YORK (Reuters Health) - Men with low concentrations of sperm in their semen may have imprinting defects that could be passed on to offspring as a result of assisted reproductive technologies, according to research in Portugal.
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Vasectomy's Failure Rate in Contraception About 1%
Thursday, 20 May 2004
NEW YORK (Reuters Health) - The risk of pregnancy after vasectomy is "small but real," U.S. researchers report in the May issue of Obstetrics and Gynecology, adding that couples considering this method of sterilization should be informed of the risk.
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Vasectomy's Failure Rate in Contraception About 1%
Thursday, 20 May 2004
NEW YORK (Reuters Health) - The risk of pregnancy after vasectomy is "small but real," U.S. researchers report in the May issue of Obstetrics and Gynecology, adding that couples considering this method of sterilization should be informed of the risk.
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Epididymis Antimicrobial Protein Plays Key Role in Sperm Maturation
Monday, 17 May 2004
NEW YORK (Reuters Health) - An epididymis-specific beta-defensin with antimicrobial activity appears to play a critical role in initiating sperm maturation, according to a report published in the May issue of Nature Cell Biology.
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Chlamydia in Men Affects Fertility
Friday, 30 April 2004
LONDON (Reuters) - Chlamydia infection, a known cause of infertility in women, can also reduce a man's chance of fathering a child, Swedish researchers said on Thursday.
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Sildenafil Appears to Boost Sperm Motility
Thursday, 22 April 2004
NEW YORK (Reuters Health) - Sildenafil citrate (Viagra) increases sperm motility and enhances binding to oocytes, according a report by South African researchers.
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Pfizer Says Viagra Does not Decrease Fertility
Friday, 02 April 2004
NEW YORK (Reuters) - Pfizer Inc. on Friday denied sildenafil, sold under the trade name Viagra, may cut fertility in men, shrugging off a study reported this week that found the widely used impotence treatment could hamper sperm's ability to fertilize an egg.
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High-Dose Norepinephrine Improves Outcomes in Septic Shock Patients
Friday, 02 April 2004
BRUSSELS, Belgium (Reuters Health) - Very high doses of norepinephrine may improve outcomes in patients with septic shock who do not respond to the usual or even high doses of the drug.
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Even If Reversed, Vasectomy Lowers Sperm Count
Wednesday, 31 March 2004
LONDON (Reuters) - Vasectomies may not be as reversible as doctors had previously thought. New research presented at a meeting of the British Fertility Society on Wednesday shows that the procedure has a long-lasting effect on sperm count.
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Incidence of UTI High in Patients with Acute Coronary Syndromes
Wednesday, 10 March 2004
NEW ORLEANS (Reuters Health) - Patients with unstable coronary syndromes are three times more likely to have urinary tract infections (UTIs) than other cardiac patients and the condition may be a trigger for myocardial infarction.
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Male Infertility & Reproduction 
