INTRODUCTION Like other biological phenomena, menstrual characteristics also vary with different age groups, socioeconomic status, and lifestyles. This study aimed to find out the variation in the menstrual characteristics among adolescents of different age groups, and the significant predictors of a menstrual outcome. METHODS 260 adolescent Bengali-speaking Hindu girls of three different age...

Background: The premenstrual symptoms may be a sensitive marker of psycho-physiological problems that applied as a diagnostic and a reproductive health education tool and can be influenced different factors such as menstrual characteristics. So, the aim of this study was to evaluate the relationship between premenstrual nausea, vomiting and menstrual characteristics. Materials and Methods: This...

Menstruation is suggested to affect multiple sclerosis (MS) symptoms, while the effect of MS on menstruation is not studied before. Here, we aimed to compare the pattern of menstrual cycle and its symptoms between MS patients and healthy controls. This is a cross-sectional study conducted during 2015–2016 in MS clinic of Kashani hospital, Isfahan, Iran. We included female patien...

The present study investigates: (i) differences in menstrual characteristics of athlete and non-athlete adolescents; (ii) relationship between menstrual characteristics, anthropometric variables, athletic status and socioeconomic status. The present study was conducted among 159 unmarried adolescents (80 non-athletes and 79 athletes) of age 15 to 19 years. The study participants belong to Benga...

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...

The findings on sex differences in human experimental pain research are inconsistent. One possible factor contributing to the inconsistent findings is the female hormonal cycle, as hormone levels may affect pain sensitivity. A number of studies suggest that women's responses to experimentally evoked pain vary across the menstrual cycle. However, at least an equal number of studies suggest a lac...

We use a within-subjects experiment with math and word tasks to show that relative performance feedback moves high ability females towards more competitive forms of compensation and moves low ability men towards less competitive forms and eliminates gender differences in choices. We also examine females across the menstrual cycle, and find that women in the high-hormone phase are more willing t...

Objective This study aimed to determine whether the menstrual characteristics are different in Korean women with or without ovarian endometrioma. Methods We selected 95 premenopausal women aged below 39 years who underwent laparoscopic surgery for ovarian endometrioma (n=46) or other benign ovarian tumors (n=49) between April 2016 and February 2017. We excluded those with uterine diseases tha...