Frequency of night shift and menstrual cycle characteristics in Japanese nurses working under two or three rotating shifts

Mayama, Michinori; Umazume, Takeshi; Watari, Hidemichi; Nishiguchi, Sho; Moromizato, Takuhiro; Watari, Takashi

doi:10.1002/1348-9585.12180

Cited by 23 publications

(17 citation statements)

References 25 publications

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“…Nevertheless, the debate continues regarding the association between menstrual problems and working shift patterns. A study of 1,249 nurses in 2020 reported that working in two or three rotating shifts increased the incidence of irregular menstrual cycles compared to no night shifts; however, the incidence of dysmenorrhea affecting their work was not significantly different according to shift patterns (p = 0.429) [ 15 ]. A recent prospective epidemiological study of 188 Spanish nurses revealed that rotating shift work patterns did not increase the risk of menstrual disorders, including prolonged duration, dysmenorrhea, prolonged duration of dysmenorrhea, and excessive bleeding [ 13 ].…”

Section: Discussionmentioning

confidence: 99%

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Gynecologic problems and healthcare behavior by shift patterns in Korean nursing staff

Kim¹,

Kim

Jung

et al. 2022

PLoS ONE

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We aimed to evaluate the clinical impact of shift patterns at work on gynecologic problems and the healthcare behavior of Korean nursing staff. We conducted a web-based survey for over two weeks in September 2021, involving female nursing staff, including nurses, nurses’ aides, and nursing assistants, working in five medical centers. The questionnaire included 40 questions on baseline characteristics, working information, and experiences with gynecologic problems and medical approaches. Overall, 885 nursing staffs participated in the survey, of the 1,904 who received the invitation with an online link of the survey. The response rate was 46.5%. Among the participants responding to all questions, 569 (64.4%) worked two or three shifts and 305 (34.5%) worked full-time. In women rotating two or three-shift patterns, irregular menstrual cycles (21.6% vs. 13.8%, p = 0.005), abnormal menstrual cycles (40.9% vs. 33.8%, p = 0.038), and dysmenorrhea (48.0% vs. 38.4%, p = 0.006) were more frequent than in those who worked full-time. The experience of visiting gynecologic clinics (47.5% vs. 44.1%, p = 0.332) and treating gynecologic conditions (33.4% vs. 29.3%, p = 0.211) did not differ according to the working patterns. However, diagnosis of gynecologic diseases was more frequent in women working full-time (36.4% vs. 29.7%, p = 0.043). The rates of screening (76.1% vs. 57.8%, p<0.001) and human papillomavirus vaccination (55.7% vs. 39.9%, p<0.001) for cervical cancer prevention were higher in women working full-time than in two–three shifts. This study showed that rotating shift work may be related to an increase in gynecologic problems and a decrease in cancer prevention activity among female nursing staff.

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Section: Discussionmentioning

confidence: 99%

“…However, there has been still controversy so far regarding the association between shift work and gynecologic symptoms, including menstrual disorders [13][14][15]. Moreover, there is no domestic research on the correlation between pattern of work and gynecologic healthcare behavior in nursing staffs in Korea.…”

Section: Introductionmentioning

confidence: 99%

Gynecologic problems and healthcare behavior by shift patterns in Korean nursing staff

Kim¹,

Kim

Jung

et al. 2022

PLoS ONE

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“…Although one study found no significant association between average hours of sleep, shift work, and MCL [ 4 ], others indicate that MCL is impacted by disrupted circadian rhythm [ 5 , 39 , 40 ▪ ]. The frequency of night shifts is associated with shortened MCL and shift work schedules are associated with increased likelihood of cycle irregularity in a study containing both cross-sectional and nested case–control components [ 39 ].…”

Section: Reviewmentioning

confidence: 99%

“…Particularly concerning is that these changes had not recovered 2 years later [ 39 ]. Another cross-sectional study similarly found that rotating shifts were associated with MCL irregularity [ 40 ▪ ]. Sleeping for fewer than 6 h per night is also significantly associated with short MCL (OR = 3.7; 95% CI 1.1–12.7) and nonsignificantly associated with long MCL (OR = 1.7, 95% CI 0.8–3.7) in a prospective cross-sectional study, leading the authors to suggest a causal association between insufficient sleep and metabolic abnormalities [ 5 ].…”

Section: Reviewmentioning

confidence: 99%

Menstrual cycle length and modern living: a review

Campbell

Scalise

DiBenedictis

et al. 2021

Current Opinion in Endocrinology, Diabetes &Amp; Obesity

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Purpose of review The aim of this review is to evaluate biological, life history, environmental, and lifestyle factors and exposures that cause variability in menstrual cycle length (MCL). Recent findings Recent literature has detailed a number of factors that influence MCL, with particular emphasis placed on novel environmental exposures, such as air pollution and endocrine disrupting chemicals. Summary MCL varies widely in response to intrinsic and extrinsic inputs and is a useful predictor of reproductive health and fecundability. Video abstract

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“…Проте дослідження психофункціонального стану у пацієнток з АМК є поодинокі. Вони стосуються, переважно, вивчення розладів МЦ у жінок, які працюють в напружених умовах [5].…”

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Correction of Hormonal Disorders in Women With Abnomal Uterine Bleeding and Chronic Psycho-Emotional Stress

Fedosiuk

2022

Scientific and practical journal

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The aim of the research was to evaluate the effectiveness of the optimized treatment in the correction of hormonal disorders in women with abnormal uterine bleeding (AUB) and chronic psycho-emotional stress. Materials and methods. 100 women of reproductive age with AUB and chronic psycho-emotional stress were examined. I group included 50 patients who received complex optimized treatment, II group included 50 persons who received standard treatment. The control group included 30 healthy women without AUB and chronic psycho-emotional stress. The standard approach provided for diagnostic and therapeutic measures in accordance with the recommendations of the order of the Ministry of Health of Ukraine N 353 dated 13.04.2016. Inclusion criteria: AUB, age 18-45 years, satisfactory condition of the sample of the material from the uterine cavity for histological examination, chronic psychogenic stress, patient consent. Exclusion criteria: pregnancy, premenstrual dysphoric disorder, acute pelvic inflammatory disease, mental disorders, blood diseases associated with coagulation disorders, hypothyroidism, hyperthyroidism, hormonal adrenal tumors, chronic intestinal diseases, severe somatic pathology. Optimized treatment additionally included recommendations for lifestyle changes, melatonin, vitamin D, medicament’ correction of iron deficiency without anemia. Estradiol, follicle-stimulating hormone (FSH), luteinizing hormone (LH), testosterone, progesterone, prolactin, and cortisol levels were determined in all subjects. Results of the research. In the follicular phase of menstrual cycle after the standard treatment there is a positive dynamics of progesterone and FSH levels in the patients in the I and II groups whose concentrations reached the control group. However, LH level in patients in both groups and estradiol amount in the II group differed significantly from those in healthy women. After optimized treatment, the levels of prolactin and cortisol reached the amount of healthy women, while after the standard treatment the prolactin concentration was increased by 17.22 % (p=0.049), cortisol – by 43.84 % (p<0.001) compared with controls. In the luteal phase, the greatest correction of estradiol and progesterone concentrations in the I and II groups and prolactin level in women in the I group were determined. However, the amount of prolactin in patients of the II group remained high, exceeding the rate of healthy women by 33.64 % (p=0.007), while in the I group it corresponded to the control value. No significant changes in the concentration of FSH, LH and testosterone on the background of treatment in women of the two groups were observed, as their levels corresponded to the control group. FSH and LH levels in patients before and after the standard and optimized treatment were at the lower limit of healthy persons. Conclusions. The use of standard and optimized approaches in the management of patients with abnormal uterine bleeding and chronic psycho-emotional stress has been successful in normalizing in female sex hormones, but the standard approach has demonstrated an insufficient correction of stress-induced hormone levels, in contrast, the optimized treatment led to a more effective correction of all hormonal disorders.

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Frequency of night shift and menstrual cycle characteristics in Japanese nurses working under two or three rotating shifts

Cited by 23 publications

References 25 publications

Gynecologic problems and healthcare behavior by shift patterns in Korean nursing staff

Gynecologic problems and healthcare behavior by shift patterns in Korean nursing staff

Menstrual cycle length and modern living: a review

Correction of Hormonal Disorders in Women With Abnomal Uterine Bleeding and Chronic Psycho-Emotional Stress

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