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Menstrual Cycle

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1. The effect of the menstrual cycle on dichotic listening. (PubMed)

The effect of the menstrual cycle on dichotic listening. The purpose of this study was to determine the effect of the menstrual cycle on responses to a dichotic listening task. It was hypothesized that participants would exhibit a stronger right ear advantage during the menstrual cycle days when estrogen levels are at their peak. It was also hypothesized that the women not taking oral contraceptives would exhibit greater variations in ear advantage over the course of their menstrual cycle than (...) those taking oral contraceptives. Finally, it was hypothesized that the error response rates would remain similar across different listening conditions and over the menstrual cycle. The participants were 30 women who took oral contraceptives and 15 who did not. They completed nine listening sessions comprised of three dichotic listening tasks: forced-left, forced-right, and open. The data were analyzed using a mixed effects models. The participants exhibited a reduction in right ear responses

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2019 PLoS ONE

2. What’s so good about Menstrual Cycles?

What’s so good about Menstrual Cycles? What’s so good about Menstrual Cycles? | BJSM blog - social media's leading SEM voice by By Dr Nicky Keay Menstrual periods are a barometer of healthy hormones. The evolutionary purpose of ovulation is to reproduce. Furthermore the carefully biologically choreographed variation of hormones that occurs during an ovulatory menstrual cycle is crucial to health and athletic performance. Why? Hormones are chemical messengers that have far reaching effects (...) throughout the body and drive the beneficial adaptations to exercise. In the case of menstrual cycles, the fluctuations of oestrogen and progesterone are key to this process. The effects of these sex steroids go far beyond reproduction. These hormones play important roles in bone strength, cardiovascular health, optimal lipid profile and production of neurotransmitters to regulate mood. The effects of low levels of oestrogen and progesterone are well documented in menopausal women who experience loss

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2019 British Journal of Sports Medicine Blog

3. Induced endometrial trauma (endometrial scratch) in the mid-luteal menstrual cycle phase preceding first cycle IVF/ICSI versus usual IVF/ICSI therapy: study protocol for a randomised controlled trial. (PubMed)

Induced endometrial trauma (endometrial scratch) in the mid-luteal menstrual cycle phase preceding first cycle IVF/ICSI versus usual IVF/ICSI therapy: study protocol for a randomised controlled trial. Endometrial trauma commonly known as endometrial scratch (ES) has been shown to improve pregnancy rates in women with a history of repeated implantation failure undergoing in vitro fertilisation (IVF), with or without intracytoplasmic sperm injection (ICSI). However, the procedure has not yet been (...) fully explored in women having IVF/ICSI for the first time. This study aims to examine the effect of performing an ES in the mid-luteal phase prior to a first-time IVF/ICSI cycle on the chances of achieving a clinical pregnancy and live birth. If ES can influence this success rate, there would be a significant cost saving to the National Health Service through decreasing the number of IVF/ICSI cycles necessary to achieve a pregnancy, increase the practice of single embryo transfer and consequently

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2018 BMJ open

4. The Response of the Menstrual Cycle to Initiation of Hormonal Therapy in Transgender Men (PubMed)

The Response of the Menstrual Cycle to Initiation of Hormonal Therapy in Transgender Men Purpose: Transition from female to male gender after initiation of hormonal therapy involves both phenotypic and physiological changes. The response to treatment can vary widely from person to person. In this study, we looked at the response of the menstrual cycle after the initiation of testosterone therapy and we wished to determine the time period and dose of testosterone leading to the cessation (...) to moderate testosterone was sufficient in leading to menstrual cessation in the majority of patients by 6 months and nearly all by 1 year. There was individual variability in the time to cessation with little correlation to testosterone dose.

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2017 Transgender health

5. Impact of the menstrual cycle on vascular function in premenopausal women: systematic review and meta-analysis.

Impact of the menstrual cycle on vascular function in premenopausal women: systematic review and meta-analysis. Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files

2019 PROSPERO

6. Variations in strength-related status across the menstrual cycle in eumenorrheic women: a systematic review and meta-analysis

Variations in strength-related status across the menstrual cycle in eumenorrheic women: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any

2019 PROSPERO

7. Non-invasive prediction of implantation window in controlled hyperstimulation cycles: Can the time from the menstrual day at embryo transfer to expected menstrual cycle give a clue? (PubMed)

Non-invasive prediction of implantation window in controlled hyperstimulation cycles: Can the time from the menstrual day at embryo transfer to expected menstrual cycle give a clue? The aim of this study was to assess whether the time from the menstrual day at embryo transfer to expected menstrual cycle (TETEMC) is associated with the implantation in women with regular cycles or not.Forty women with successful implantation and forty women without implantation with regular cycles were randomly (...) for clinical pregnancy. Cut off value for the menstrual period was found to be 27.5 days with 82.6% sensitivity and 65% specificity. Cut off value for TETEMC was 11.5 days with 75% sensitivity and 63.2% specificity.Longer menstrual cycle and the TETEMC seem to be associated with the implantation failure.

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2016 Turkish Journal of Obstetrics and Gynecology

8. Vitamin D metabolites across the menstrual cycle: a systematic review. (PubMed)

Vitamin D metabolites across the menstrual cycle: a systematic review. Accurate estimation of vitamin D status is important for health research and can impact prevention and treatment of deficiency in women of reproductive age. We aimed to assess if blood concentrations of 25-hydroxyvitamin D [25(OH)D] or 1,25-dihydroxyvitamin D [1,25(OH)2D] change across the menstrual cycle.We conducted a systematic search in PubMed, Web of Science, CAB and BIOSIS of literature published until December 2018 (...) in 1,25(OH)2D within the follicular phase, including a 128% increase from day 1 to 15 and a 56% increase from day 0 to 12. Two studies found rises in 1,25(OH)2D concentrations from the follicular to luteal phase of 13 and 26%. Five studies did not find any changes in concentrations of 1,25(OH)2D.No conclusion can be drawn on the pattern of 1,25(OH)2D concentrations across the normal menstrual cycle due to inconsistencies in study findings. Evidence is currently insufficient to assess 25(OH)D

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2019 BMC Women's Health

9. Altered amygdalar volume and functional connectivity in primary dysmenorrhea during the menstrual cycle. (PubMed)

Altered amygdalar volume and functional connectivity in primary dysmenorrhea during the menstrual cycle. Primary dysmenorrhoea (PDM), characterized as menstrual pain without pelvic pathology, is associated with pain-related negative mood and hormone fluctuations. Previous studies strongly supported the link between pain and negative mood in affected individuals; however, it remains largely unknown in patients with PDM.We focused on the effects how spontaneous pain, negative mood and hormone (...) levels played on the central nervous system in 34 PDM women and 33 matched healthy controls across their cycles (periovulatory phase and menstruation phase) by using T1-weighted and functional imaging. Voxel-based morphometry and functional connectivity (FC) analyses were performed to evaluate brain structural and functional changes. Hormone concentrations (oestradiol, progesterone and cortisol) were also obtained.Abnormal state-related GM volume in the amygdala was found between periovulatory

2019 European Journal of Pain

10. Cyclic Change of Fatty Acid Composition in Meibum During the Menstrual Cycle. (PubMed)

Cyclic Change of Fatty Acid Composition in Meibum During the Menstrual Cycle. To evaluate the fatty acid (FA) composition in the meibum of pre- and postmenopausal women and age-matched men.This prospective study involved 24 healthy subjects; six premenopausal women in their 30s with a regular menstrual cycle (young-female [yF] group), six postmenopausal women in their 60s (elderly-female [eF] group), and 12 age-matched men (i.e., young-male [yM] and elderly-male [eM] groups, respectively (...) ). The menstrual cycle was divided into six phases (phase I-VI). Meibum was obtained from the meibomian gland orifices via a Daviel spoon, and its FA composition was then analyzed via gas chromatography mass spectrometry (GC-MS). Principal component analysis (PCA) was performed on the GC-MS results.The mean FA composition of all subjects was 40% saturated FAs (SFA) and 60% unsaturated FAs (UFAs). The PCA results of all groups indicated two categories (PC1 [77.5%] and PC2 [12.4%]); one consisting of yF-group

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2019 Investigative Ophthalmology & Visual Science

11. Women born with very low birth weight have similar menstrual cycle pattern, pregnancy rates and hormone profiles compared with women born at term. (PubMed)

Women born with very low birth weight have similar menstrual cycle pattern, pregnancy rates and hormone profiles compared with women born at term. Individuals born very preterm or with very low birth weight (VLBW) have a reduced likelihood to reproduce according to population-based register studies. Extremely low-birth weight born adults had a lower reproduction rate for both men and women in a follow-up study.To investigate if being born with VLBW is associated with differences (...) in the reproductive health, i.e. age of menarche, menstrual cycle pattern, pregnancy rates and hormone profile compared with women born at term.A prospective long-term follow-up of a cohort of live-born VLBW children and their controls studied repeatedly since birth and now assessed at 26-28 years of age. Of the totally 80 girls enrolled from birth 49 women (24 VLBW women and 25 controls) participated in the current follow-up. The women's anthropometric data and serum hormone levels were analysed.The reproductive

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2019 BMC Women's Health

12. The effects of menstrual cycle phase on physical performance in female soccer players. (PubMed)

The effects of menstrual cycle phase on physical performance in female soccer players. Female soccer has grown extensively in recent years, however differences in gender-specific physiology have rarely been considered. The female reproductive hormones which rise and fall throughout the menstrual cycle, are known to affect numerous cardiovascular, respiratory, thermoregulatory and metabolic parameters, which in turn, may have implications on exercise physiology and soccer performance. Therefore (...) , the main aim of the present study was to investigate potential effects of menstrual cycle phase on performance in soccer specific tests.Nine sub elite female soccer players, all of whom have menstrual cycles of physiological length; performed a series of physical performance tests (Yo-Yo Intermittent endurance test (Yo-Yo IET), counter movement jump (CMJ) and 3x30 m sprints). These were conducted at distinct time points during two main phases of the menstrual cycle (early follicular phase (FP) and mid

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2017 PLoS ONE

13. Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign

Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign - ACOG Menu ▼ Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign Page Navigation ▼ Number 651, December 2015 (Replaces Committee Opinion 349, November 2006, Reaffirmed 2017) Committee on Adolescent Health Care The American Academy of Pediatrics endorses this document. This document reflects emerging (...) concepts on patient safety and is subject to change. The information should not be construed as dictating an exclusive course of treatment or procedure to be followed. Menstruation in Girls and Adolescents: Using the Menstrual Cycle as a Vital Sign ABSTRACT: Despite variations worldwide and within the U.S. population, median age at menarche has remained relatively stable—between 12 years and 13 years—across well-nourished populations in developed countries. Environmental factors, including

2015 American College of Obstetricians and Gynecologists

14. Heavy menstrual bleeding: assessment and management

abnormality, adenomyosis or fibroids impact on her quality of life other factors that may affect treatment options (such as comorbidities or previous treatment for HMB). [2007, amended 2018] [2007, amended 2018] 1.2.2 T ake into account the range and natural variability in menstrual cycles and blood loss when diagnosing HMB, and discuss this variation with the woman. If the woman feels that she does not fall within the normal ranges, discuss care options. [2007] [2007] 1.2.3 If the woman has a history (...) Heavy menstrual bleeding: assessment and management Hea Heavy menstrual bleeding: assessment vy menstrual bleeding: assessment and management and management NICE guideline Published: 14 March 2018 nice.org.uk/guidance/ng88 © NICE 2019. All rights reserved. Subject to Notice of rights (https://www.nice.org.uk/terms-and-conditions#notice-of- rights).Y Y our responsibility our responsibility The recommendations in this guideline represent the view of NICE, arrived at after careful consideration

2018 National Institute for Health and Clinical Excellence - Clinical Guidelines

15. Brachial artery endothelial function is stable across a menstrual and oral contraceptive pill cycle but lower in premenopausal women than in age-matched men. (PubMed)

Brachial artery endothelial function is stable across a menstrual and oral contraceptive pill cycle but lower in premenopausal women than in age-matched men. Sex hormone concentrations differ between men, premenopausal women with natural menstrual cycles (NAT), and premenopausal women using oral contraceptive pills (OCP), as well as across menstrual or OCP phases. This study sought to investigate how differences in sex hormones, particularly estradiol, between men and women and across cycle (...) phases might influence brachial artery endothelial function. Fifty-three healthy adults (22 ± 3 yr, 20 men, 15 NAT women, and 18 second-, third-, or fourth-generation OCP women) underwent assessments of sex hormones and endothelial [flow-mediated dilation (FMD) test] and smooth muscle [nitroglycerin (NTG) test] function. Men were tested three times at 1-wk intervals, and women were tested three times throughout a single menstrual or OCP cycle (NAT: menstrual, midfollicular, and luteal phases and OCP

2018 American journal of physiology. Heart and circulatory physiology

16. Thyroid hormones and menstrual cycle function in a longitudinal cohort of premenopausal women. (PubMed)

Thyroid hormones and menstrual cycle function in a longitudinal cohort of premenopausal women. Previous studies have reported that hyperthyroid and hypothyroid women experience menstrual irregularities more often compared with euthyroid women, but reasons for this are not well-understood and studies on thyroid hormones among euthyroid women are lacking. In a prospective cohort study of euthyroid women, this study characterised the relationship between thyroid hormone concentrations (...) and prospectively collected menstrual function outcomes.Between 2004-2014, 86 euthyroid premenopausal women not lactating or taking hormonal medications participated in a study measuring menstrual function. Serum thyroid hormones were measured before the menstrual function study began. Women then collected first morning urine voids and completed daily bleeding diaries every day for three cycles. Urinary oestrogen and progesterone metabolites (estrone 3-glucuronide (E1 3G) and pregnanediol 3-glucuronide (Pd3G

2018 Paediatric and perinatal epidemiology

17. Effects of Menstrual Cycle on Preoperative Anxiety

Effects of Menstrual Cycle on Preoperative Anxiety Effects of Menstrual Cycle on Preoperative Anxiety - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Effects of Menstrual Cycle on Preoperative Anxiety (...) Go to Brief Summary: The investigators aimed to investigate the effect of menstrual cycle phases on preoperative anxiety in women under general anesthesia. Condition or disease Menstrual Cycle Perioperative Hypertension Anxiety Study Design Go to Layout table for study information Study Type : Observational [Patient Registry] Actual Enrollment : 100 participants Observational Model: Other Time Perspective: Prospective Target Follow-Up Duration: 1 Month Official Title: Are Menstruel Cycle Phases

2018 Clinical Trials

18. Menstrual Cycle Phases on Recovery and Cognitive Function

Menstrual Cycle Phases on Recovery and Cognitive Function Menstrual Cycle Phases on Recovery and Cognitive Function - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Menstrual Cycle Phases on Recovery (...) provided by (Responsible Party): Nureddin YUZKAT, Yuzuncu Yıl University Study Details Study Description Go to Brief Summary: The aim of this study was to investigate the effects of menstrual cycle phases on recovery and cognitive function after general anesthesia. Condition or disease Intervention/treatment Menstrual Cycle Cognitive Function Recovery General Anesthesia Behavioral: Group F Study Design Go to Layout table for study information Study Type : Observational Estimated Enrollment : 80

2018 Clinical Trials

19. The association between menstrual cycle pattern and hysteroscopic march classification with endometrial thickness among infertile women with Asherman syndrome. (PubMed)

The association between menstrual cycle pattern and hysteroscopic march classification with endometrial thickness among infertile women with Asherman syndrome. Women with Asherman syndrome (AS) have intrauterine adhesions obliterating the uterine cavity. Hysteroscopic March classification describes the adhesions which graded in terms of severity. This study has been designed to assess the prevalence and association between of clinical presentations, potential causes, and hysteroscopic March

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2018 Medicine

20. Factors associated with menstrual cycle irregularity and menopause. (PubMed)

Factors associated with menstrual cycle irregularity and menopause. A regular menstrual cycle is an important indicator of a healthy reproductive system. Previous studies reported obesity, stress, and smoking as the factors that are associated with irregular menstruation and early menopause. However, the integrative effects of these modifiable risk factors have not been fully understood. This study aimed to investigate the modifiable risk factors of menstrual cycle irregularity and premature (...) menopause, as well as their individual and combined effects among adult women in Korea.This study selected adult women aged 19 years and above who had been included in the 2007-2014 Korean National Health and Nutrition Examination Survey. We used a separate dataset to analyze the risk factors of menstrual cycle irregularity and menopause (pre- and postmenopausal women: n = 4788 and n = 10,697, respectively). Univariate and multiple logistic regression analyses were conducted to evaluate the effects

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2018 BMC Women's Health

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