Dataset Information

Monthly variation of hot flashes, night sweats, and trouble sleeping: effect of season and proximity to the final menstrual period (FMP) in the SWAN Menstrual Calendar substudy.

ABSTRACT:

Objective

Although reproductive function is influenced by season, few studies have evaluated seasonal effects on menopausal symptoms. We assessed the impact of season and proximity to the final menstrual period (FMP) on frequency of symptom reporting.

Methods

In all, 955 participants in the Study of Women's Health Across the Nation recorded whether or not they had experienced menopausal symptoms on a monthly menstrual calendar over a 10-year period. We modeled the log-odds of presence of a given symptom each month using a logistic mixed-effects model, assuming a third-order polynomial before the FMP and a different third-order polynomial after the FMP. We assumed sine and cosine functions for month of the year.

Results

Five to 10 years before the FMP, ?20% of women reported hot flashes and night sweats, whereas ?40% reported trouble sleeping. Prevalence rose ?4 years before the FMP with a sharp jump in hot flash (?60%) and night sweats (?40%) prevalence coincident with the FMP. Peaks in hot flashes and trouble sleeping were observed in July with troughs in January. The peak and trough in night sweats occurred about 1 month earlier. Odds of hot flashes, night sweats, and trouble sleeping were 66%, 50%, and 24% greater, respectively, at the seasonal peak versus the seasonal minimum.

Conclusion

Menopausal symptoms exhibit seasonal variation associated with the summer and winter equinoxes. Seasonal increases in night sweats precede increases in hot flashes. Prospectively recorded monthly symptom data demonstrate that hot flashes and night sweats increase notably coincident with the FMP. : Video Summary:http://links.lww.com/MENO/A476.

SUBMITTER: Harlow SD

PROVIDER: S-EPMC6934911 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Publications

Monthly variation of hot flashes, night sweats, and trouble sleeping: effect of season and proximity to the final menstrual period (FMP) in the SWAN Menstrual Calendar substudy.

Harlow Siobán D SD Elliott Michael R MR Bondarenko Irina I Thurston Rebecca C RC Jackson Elizabeth A EA

Menopause (New York, N.Y.) 20200101 1

<h4>Objective</h4>Although reproductive function is influenced by season, few studies have evaluated seasonal effects on menopausal symptoms. We assessed the impact of season and proximity to the final menstrual period (FMP) on frequency of symptom reporting.<h4>Methods</h4>In all, 955 participants in the Study of Women's Health Across the Nation recorded whether or not they had experienced menopausal symptoms on a monthly menstrual calendar over a 10-year period. We modeled the log-odds of pres ...[more]

PMID: 31567864

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Project description:Abstract In the phase 3 REPLENISH trial of postmenopausal women with a uterus, TX-001HR (TherapeuticsMD, Boca Raton, FL), an oral 17β-estradiol-progesterone (E2/P4) softgel capsule, reduced moderate to severe hot flush frequency and severity and improved quality of life outcomes, while protecting the endometrium. The objective of this analysis was to further determine the effects of the E2/P4 capsules versus placebo on vasomotor symptoms (VMS) as assessed by the menopause-specific quality of life (MENQOL) questionnaire. In the REPLENISH trial (NCT01942668), women with moderate to severe hot flushes (≥7/day or ≥50/week) were randomized 1:1:1:1:1 to daily E2/P4 (mg/mg) of 1/100 (FDA approved as BIJUVATM), 0.5/100, 0.5/50, 0.25/50, or placebo (VMS substudy). Other women (with fewer VMS) were randomized 1:1:1:1 to active E2/P4 doses only. Three of the 29 items in the MENQOL questionnaire assess vasomotor symptoms: hot flushes, night sweats, and sweating. The symptoms, if experienced, were rated using a 7-item Likert scale ranging from “Not at all bothered” (score of 2) to “Extremely bothered” (score of 8); if not experienced, the score was 1. Changes from baseline to week 12, and months 6 and 12 in these 3 items were assessed in the overall efficacy population (MITT) and VMS (MITT-VMS) substudy population. Women were randomized to daily doses of E2/P4 (mg/mg) 1/100 (n=415), 0.5/100 (n=424), 0.5/50 (n=421), 0.25/50 (n=424) or placebo (n=151). Participants (mean age of 55 years and mean BMI of 27 kg/m2) were primarily white (65%) or black (32%). Mean baseline scores ranged from 6.7 to 7.4 for hot flushes, 6.1 to 7.1 for night sweats, and 6.0 to 6.9 for sweating. In the MITT population, women treated with all E2/P4 doses had significantly more favorable improvements from baseline in their hot flushes (range of significant mean changes with E2/P4 vs placebo, -2.9 to -4.3 vs -1.9 to -2.7), night sweats (-3.1 to -4.0 vs -2.4 to -3.0) and sweating (-2.8 to -3.6 vs -2.3 to -3.2) scores at week 12, and months 6 and 12 (all, P≤0.002). Similarly, significant improvements from baseline with E2/P4 vs placebo (all, P≤0.030) were observed in the MITT-VMS substudy population for hot flushes (-3.0 to -4.4 vs -1.9 to -2.7), night sweats (-3.3 to -4.4 vs -2.4 to -3.0), and sweating (-3.1 to -4.2 vs -2.3 to -3.2), except for those treated with the lowest E2/P4 dose (0.25 mg E2/50 mg P4) at months 6 and 12 for sweating. In the REPLENISH trial, compared with placebo, postmenopausal women treated with E2/P4 had significant improvements in their hot flushes, night sweats and sweating as assessed by MENQOL. Benefits continued for up to 12 months of treatment. These results with this first oral hormone therapy formulation combining bioidentical estradiol and progesterone in a single capsule are consistent with the primary REPLENISH results demonstrating efficacy for the treatment of moderate to severe vasomotor symptoms in menopausal women with a uterus.

Project description:ObjectiveTo explore the prevalence and determinants of calendar literacy and last menstrual period (LMP) recall among women in Bangladesh.DesignCross-sectional survey.SettingsTwo rural subdistricts and one urban area from three Northern districts of Bangladesh.ParticipantsWe interviewed 2731 women who had a live birth in the last 1 year.Primary and secondary outcome measuresThe primary outcome variable was LMP recall and the secondary outcome was calendar literacy.ResultsThe majority of participants (65%) correctly mentioned the current date according to the English calendar while 12% mentioned according to the Bengali calendar. During the interview sessions, we used three different calendars: Bengali, English and Hijri to assess calendar literacy. We asked women to mark the current date using the calendar on the day of the interview. Almost 61% women marked the English calendar, 16% marked the Bengali calendar and 4% marked the Hijri calendar correctly. Sixty-three per cent women were found as calendar literate who marked any of the calendars. Among the participants, 58% had calendars available at their home and only 10% of women used calendars to track their LMPs. Overall, 53% women were able to recall their recent LMP. Among the calendar literate, 60% could recall their LMPs. Factors found associated with recalling LMP were: completed eight or more years of schooling (adj.OR 1.39), primigravida (adj.OR 1.88), the richest wealth quintile (adj.OR 1.55) and calendar literacy (adj.OR 1.59).ConclusionsDespite having reasonable calendar literacy and availability, the use of calendars for tracking LMP found very low. Calendar literacy and sociodemographic characteristics were found as the key factors associated with LMP recall. Maternal, neonatal and child health programmes in low-resource settings can promote a simple tool like calendar and target the communities where ultrasound is not available to ensure accurate LMP recall for early pregnancy registration and timely antenatal care coverage.

Dataset Information

Monthly variation of hot flashes, night sweats, and trouble sleeping: effect of season and proximity to the final menstrual period (FMP) in the SWAN Menstrual Calendar substudy.

Objective

Methods

Results

Conclusion

Publications

Monthly variation of hot flashes, night sweats, and trouble sleeping: effect of season and proximity to the final menstrual period (FMP) in the SWAN Menstrual Calendar substudy.

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