Decreased fecundity and sperm DNA methylation patterns

Tuesday, December 29, 2015
Sperm DNA methylation profiles at five distinct genomic regions are associated with decreased fecundity in a well-characterized patient population.

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Urinary concentrations of benzophenone type ultraviolet light filters and semen quality

Tuesday, September 29, 2015
Urinary concentrations of two benzophenone-type ultraviolet filters (BP-2, BP-8), chemicals used as sunscreens, were found to be associated with select semen endpoints.

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MicroRNA A step beyond bulk seminal parameters

Tuesday, September 1, 2015
Reflections on "Spermatozoa from patients with seminal alterations exhibit a differential miRNA profile" by Salas-Huetos et al.

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Female exposure to phenols and phthalates and time to pregnancy The Maternal Infant Research on Environmental Chemicals MIREC Study

Monday, March 30, 2015
Elevated triclosan exposure may be associated with diminished fecundity. Bisphenol A and phthalates showed no negative impact; on the contrary, some phthalates might be associated with a shorter time to pregnancy.

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Urinary bisphenol A phthalates and couple fecundity The LIFE Study

Wednesday, April 30, 2014
Select phthalates, but not bisphenol A, were associated with diminished couple fecundity as measured by a longer time to pregnancy in a longitudinally observed cohort recruited before conception.

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Semen quality and time to pregnancy the Longitudinal Investigation of Fertility and the Environment Study

Friday, January 31, 2014
Semen quality parameters were associated with shorter and longer time to pregnancy (TTP) when modeled individually but not when modeled together. Male age was negatively associated with fecundity as measured by TTP.

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Optimizing natural fertility a committee opinion

Friday, August 30, 2013
This report reviews mechanisms and techniques to optimize fertility in the fertile couple/individual.

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What is the true prevalence of infertility

Thursday, March 28, 2013
Reflections on "The prevalence of infertility in the United States as estimated by the current duration approach and a traditional constructed approach" by Thoma et al.

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Prevalence of infertility in the United States as estimated by the current duration approach and a traditional constructed approach

Thursday, March 28, 2013
The prevalence of infertility in the United States was approximately twofold higher when estimated by a current duration approach vs. a traditional constructed measure (15.5% vs. 7.0%, respectively).

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Maternal fecundity and asthma among offspring Is the risk programmed preconceptionally Retrospective observational study

Friday, March 1, 2013
Children born to mothers who had more than two miscarriages, fertility problems, or prolonged time to pregnancy, had significantly higher risks of asthma during childhood. Maternal subfertility exposes offspring to an increased risk of asthma.

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Low concentration of circulating antimüllerian hormone is not predictive of reduced fecundability in young healthy women A prospective cohort study

Thursday, November 29, 2012
Low AMH levels in young healthy women did not predict reduced fecundability. Even after exclusion of women with irregular cycles, the probability of conceiving was reduced in women with high AMH levels.

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Preconception Stress and the Secondary Sex Ratio A Prospective Cohort Study

Thursday, September 27, 2012
Prospective longitudinal evaluation of preconception stress biomarkers in relation to the secondary sex ratio demonstrated a significant association between preconception cortisol concentration and decreased odds of a male birth.

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