British Medical Journal 1992 Sperm

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Evidence for decreasing quality of semen during past 50 …

https://www.bmj.com/content/305/6854/609

MAIN OUTCOME MEASURES--Mean sperm density and mean seminal volume. RESULTS--Linear regression of data weighted by number of men in each study …

Evidence for decreasing quality of semen during past 50 …

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1883354/

OBJECTIVE--To investigate whether semen quality has changed during the past 50 years. DESIGN--Review of publications on semen quality in men without a …

Evidence for decreasing quality of semen during past 50 …

https://pubmed.ncbi.nlm.nih.gov/1393072/

Subjects: 14,947 men included in a total of 61 papers published between 1938 and 1991. Main outcome measures: Mean sperm density and mean seminal …

Falling sperm counts threaten humanity; chemicals to …

https://www.usatoday.com/story/news/2021/02/27/falling-sperm-counts-threaten-humanity-chemicals-blame-book-says/6842950002/

Sperm counts among men in North America, Europe, Australia and New Zealand declined more than 59% from 1973 to 2011, according to a meta-analysis Swan …

Vol. 304, No. 6831, Apr. 4, 1992 of BMJ: British Medical …

https://www.jstor.org/stable/i29715080

Vol. 304, No. 6831, Apr. 4, 1992 of BMJ: British Medical Journal on JSTOR Published by: BMJ https://www.jstor.org/stable/i29715080 https://www.jstor.org/stable/29715081 xml …

Are Sperm Counts Truly Declining, And, If So, What Is Likely To …

https://blogs.einsteinmed.edu/are-sperm-counts-truly-declining-and-if-so-what-is-likely-to-be-the-cause/

This is not the first study to conclude that sperm counts may be in jeopardy. In 1992, a meta-analysis published in the British Medical Journal, which included data …

British Medical Journal: 304 (6843) | The BMJ

https://www.bmj.com/content/304/6843

British Medical Journal 1992; 304 :1658 (Published 27 June 1992) PDF Permission Alcohol consumption as a risk factor for poor outcome after aneurysmal subarachnoid …

Global decline of male fertility: Fact or fiction? | British …

https://bcmj.org/articles/global-decline-male-fertility-fact-or-fiction

However, in the field of reproduction, the contention that sperm counts are declining is not universally accepted and has been a hotly debated topic over the last several …

Archive of "British Medical Journal". - PMC - National …

https://www.ncbi.nlm.nih.gov/pmc/journals/182/

The archive for this journal includes: BMJ: Vols. 297 to 380; 1988 to 2023; Br Med J (Clin Res Ed): Vols. 282 to 296; 1981 to 1988 Br Med J: Vols. 1 to 281; 1857 to …

Vol. 302, No. 6778, Mar. 23, 1991 of BMJ: British Medical …

https://www.jstor.org/stable/i29710825

BMJ: British Medical Journal. Description: The BMJ is an international peer reviewed medical journal and a fully "online first" publication. Our publishing model–"continuous …

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Evidence for decreasing quality of semen during past 50 …

Evidence for decreasing quality of semen during past 50 …

Evidence for decreasing quality of semen during past 50 …

Falling sperm counts threaten humanity; chemicals to …

Vol. 304, No. 6831, Apr. 4, 1992 of BMJ: British Medical …

Are Sperm Counts Truly Declining, And, If So, What Is Likely To …

British Medical Journal: 304 (6843) | The BMJ

Global decline of male fertility: Fact or fiction? | British …

Archive of "British Medical Journal". - PMC - National …

Vol. 302, No. 6778, Mar. 23, 1991 of BMJ: British Medical …

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