Physical Activity and Menstrual Cycle Characteristics in Two Prospective Cohorts
نویسندگان
چکیده
منابع مشابه
Physical activity and menstrual cycle characteristics in two prospective cohorts.
Relations between physical activity and prospectively collected menstrual cycle characteristics were examined in two large cohorts. One cohort consisted of women employed in the semiconductor industry in 1989 who participated in a prospective study of reproductive outcomes (n = 367). The other consisted of women living in Tecumseh, Michigan, who completed both the 1992-1993 and 1993-1994 examin...
متن کاملFactors affecting menstrual cycle characteristics.
This 1989-1991 study in California and Utah used daily urinary metabolites of estrogen and progesterone and computer algorithms to assess ovulatory status and day of ovulation. The authors examined the associations of risk factors with menstrual cycle characteristics for 309 working women aged 20-44 years who collected a median of five cycles each of daily urine samples. Linear mixed models wer...
متن کاملModerate alcohol intake and menstrual cycle characteristics.
STUDY QUESTION Does moderate alcohol intake affect menstrual cycle characteristics among women in the Danish population? SUMMARY ANSWER Levels of alcohol exposure as seen in this study do not substantially affect the menstrual cycle. WHAT IS KNOWN ALREADY Animal studies indicate alcohol-induced disruptions of the reproductive system, but previous epidemiological studies addressing the possi...
متن کاملSerum dioxin concentrations and menstrual cycle characteristics.
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is a widespread industrial environmental contaminant. Animal studies suggest that TCDD exposure alters the estrus cycle. Twenty years after a 1976 industrial explosion in Seveso, Italy, the authors interviewed female residents to determine whether there was an association between TCDD exposure and current menstrual cycle characteristics. The authors an...
متن کاملCharacteristics of Menstrual Cycle in Shift Workers
BACKGROUND In this study, the characteristics of menstrual cycle in shift workers employed in the pharmaceutical industry are investigated. METHOD This study was conducted in a pharmaceutical industrial complex in Tehran in 2012. 406 female workers in packaging units were studied on the menstrual cycle characteristics. The studied workers were divided into two groups of shift workers and non-...
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ژورنال
عنوان ژورنال: American Journal of Epidemiology
سال: 2002
ISSN: 0002-9262
DOI: 10.1093/aje/kwf060