Condition

Menstrual Cycle clinical trials and research

• 19Clinical trials
• 10NIH research projects
• 13Countries

Newest Menstrual Cycle clinical trials

All recruiting trials (19)

• Pain and period life: does menstrual cycle or menopause change pain during root canals?

  This study will see if pain during a root canal varies with menstrual cycle phase or menopausal status in adult patients.

  Recruiting Nigde Omer Halisdemir University · Niğde · NCT07850167

• Menstrual cycle symptoms and female health

  This study will observe how common menstrual symptoms and related conditions appear in young adult women who have regular periods, to better understand their frequency and impact.

  Recruiting Universidad Rey Juan Carlos · Madrid · NCT07699224

• How the menstrual cycle and birth control affect strength and performance in athletes

  This study tests how natural menstrual cycle phases and monophasic birth control influence strength, hydration, and energy balance in female athletes.

  Recruiting Faculdade de Motricidade Humana · Cruz Quebrada, Oeiras · NCT07591818

• Menstrual cycle effects on optic nerve sheath diameter during laparoscopic gynecologic surgery

  This study will try to see if menstrual cycle phase changes the optic nerve sheath size and affects postoperative nausea, vomiting, and thinking in women having elective laparoscopic gynecologic surgery.

  Recruiting Konya City Hospital · Konya · NCT07539831

• Phenylalanine needs during the follicular and luteal menstrual phases

  We will test how much phenylalanine healthy menstruating women (ages 20–35) need during the follicular versus luteal phase of the menstrual cycle.

  Recruiting University of British Columbia · Vancouver, British Columbia · NCT07481201

• Menstrual phase, anesthetic use, and postoperative nausea after gallbladder removal

  We will see if menstrual phase affects how much anesthetic women need and their chance of nausea and vomiting after elective laparoscopic gallbladder removal.

  Recruiting Ankara Etlik City Hospital · Ankara, Ankara · NCT07456202

• Timing of levonorgestrel IUD placement and ovarian cysts

  This study will see if placing a levonorgestrel (LNG) IUD at different parts of the menstrual cycle changes the chance of ovarian cysts in women aged 18–45.

  Recruiting Gaziosmanpasa Research and Education Hospital · Gaziosmanpaşa, Outside of the US · NCT07248553

• Moderate aerobic exercise to manage menstrual symptoms

  This program will test whether a plan of moderate aerobic exercise can reduce physical and emotional menstrual symptoms in sedentary women who do or do not use hormonal birth control.

  Recruiting University of Colorado, Colorado Springs · Colorado Springs, Colorado · NCT07084714

• Exploring the link between menstrual cycles and urinary incontinence in women with spinal cord injuries

  This study looks at how changes in hormones during the menstrual cycle might affect bladder control in women with spinal cord injuries to see if it can help improve treatment options.

  Recruiting Swiss Paraplegic Research, Nottwil · Nottwil · NCT06892080

• Epigenetic markers linked to PMDD across the menstrual cycle

  This study tests whether blood epigenetic markers can tell apart women with PMDD from women without PMDD at different points in the menstrual cycle.

  Recruiting Johns Hopkins University · Baltimore, Maryland · NCT06771583

• Effects of aerobic exercise on the menstrual cycle

  This study tests how aerobic exercise affects the menstrual cycle in physically active women aged 18 to 25.

  Recruiting Riphah International University · Lahore, Punjab Province · NCT06750250

• Investigating how night shift work affects women's health during their menstrual cycle

  This study tests how working night shifts and lack of sleep affects the health of young women during different stages of their menstrual cycle.

  Recruiting Uppsala University · Uppsala, Uppsala County · NCT06683248

• Effects of menstrual cycle-based resistance training on female athletes' performance

  This study tests if resistance training that changes with the menstrual cycle can improve strength and performance in female athletes compared to those using birth control.

  Recruiting Universite de La Reunion · Le Tampon, France · NCT06679491

• Cycling with your menstrual cycle

  This project will try to see if tracking menstrual cycle phases alongside training data helps explain changes in performance and training feelings for female cyclists.

  Recruiting Martini Hospital Groningen · Groningen and 1 other locations · NCT06634134

• Understanding how menstrual cycle phases affect training load in female athletes

  This study looks at how different phases of the menstrual cycle affect training and performance in female athletes to see if it can help create better training plans for them.

  Recruiting Wingate Institute · Netanya · NCT06377306

• Investigating the effects of oxytocin on reward processing in women

  This study is testing how oxytocin affects how women respond to rewards and their metabolism, looking at different groups based on their hormonal status.

  Recruiting International Research Training Group 2804 · Tübingen, Baden-Wurttemberg · NCT06222749

• Examining how the menstrual cycle affects exercise performance

  This study tests how different phases of the menstrual cycle affect exercise performance in women who train hard to see if adjusting workouts can improve their fitness and reduce symptoms.

  Recruiting Karolinska Institutet · Stockholm · NCT05697263

• Observational study on women's menstrual health using an app

  This study is trying to learn more about women's menstrual health and related conditions by having women use an app to share their experiences.

  Recruiting Apple Inc. · Boston, Massachusetts · NCT04196595

• Investigating how female hormones affect brain blood flow

  This study is testing how female hormones and birth control affect blood flow and activity in the brain for women.

  Recruiting University Ghent · Ghent · NCT03299179

NIH-funded research (10)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

• Social media, mood, and teens: how the menstrual cycle affects rejection feelings and online experiences

  Teenagers using social media may feel stronger negative reactions to online feedback, especially around certain times in their menstrual cycle, which could relate to mood and depression.

  NIH research Univ of North Carolina Chapel Hill · Chapel Hill, United States · NIH-11438547

• How menstrual-cycle hormones affect ADHD and thinking

  This project is looking at whether monthly hormone changes during the menstrual cycle change ADHD symptoms and cognitive function in adolescent and adult women.

  NIH research University of Kentucky · Lexington, United States · NIH-11392918

• How climate and air pollution relate to menstrual health and PCOS risk

  This project looks at whether temperature, humidity, and air pollution across a person’s life affect menstrual cycles and the chance of developing PCOS in people of different racial and ethnic groups.

  NIH research Harvard University D/b/a Harvard School of Public Health · Boston, United States · NIH-11262320

• Effects of ovarian hormones on mood and sleep in adolescent girls

  This study is looking at how changes in hormone levels during the menstrual cycle can affect mood and sleep in girls aged 11-14, to help understand why some may experience more sadness or sleep problems during this time.

  NIH research Emma Pendleton Bradley Hospital · Riverside, UNITED STATES · NIH-11053826

• Understanding suicide risk in adolescent girls during their menstrual cycle

  This study is looking at how different stages of the menstrual cycle might influence suicidal thoughts and feelings in teenage girls, so we can better understand when they might be at greater risk and help support their mental health.

  NIH research Univ of North Carolina Chapel Hill · Chapel Hill, United States · NIH-11018611

• How climate and racial factors affect menstrual health

  This study is looking at how things like climate and air pollution might affect your menstrual cycle and the risk of conditions like PCOS, especially for different racial and ethnic groups, to help understand how these factors impact reproductive health.

  NIH research Harvard School of Public Health · Boston, United States · NIH-11009985

• How menstrual cycle phases affect risk-taking in women with opioid use disorder

  This study looks at how different phases of the menstrual cycle might affect decision-making and risk-taking in women with opioid use disorder, helping us understand how hormones like estrogen could influence their recovery and treatment.

  NIH research Rutgers Biomedical and Health Sciences · Newark, UNITED STATES · NIH-10997609

• How estradiol affects women's sensitivity to alcohol during their menstrual cycle

  This study is looking at how changes in the hormone estradiol during a woman's menstrual cycle might affect her behavior and how she reacts to alcohol, with the hope of helping women understand their drinking patterns better.

  NIH research University of Kentucky · Lexington, United States · NIH-10917316

• How air pollution affects women's reproductive health during their menstrual cycle and early pregnancy

  This study is looking at how short-term exposure to air pollution might affect women's reproductive health, especially during important times like their menstrual cycle and early pregnancy, to help understand any challenges it may cause for those trying to conceive.

  NIH research University of Massachusetts Amherst · Hadley, United States · NIH-10829447

• Investigating how menstrual cycle symptoms relate to lung disease in women with LAM

  This study is looking at how changes in menstrual cycle symptoms might help doctors understand the health of women with Lymphangioleiomyomatosis (LAM) and figure out who might benefit from hormone treatments, so they can offer more personalized care.

  NIH research University of Cincinnati · Cincinnati, United States · NIH-10669246

Related topics

Quick answers

How many Menstrual Cycle clinical trials are recruiting right now?

19, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 13 countries. The most sites are in Turkey (Türkiye) (4 trials), United States (3 trials), Sweden (2 trials), Portugal (1 trial), Netherlands (1 trial). Each study page lists its sites and which ones are recruiting.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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