Clinical trials
Menstrual Cycle clinical trials
Below are recruiting menstrual cycle clinical trials, each written for real people, not researchers. We’re tracking 43 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06842212Enrolling by invitation
Balance training for athletes across the menstrual cycle
This study looks at whether special balance exercises can help female athletes stay stable and perform better at different points in their menstrual cycle.
CairoAges 18–22 - NCT07699224Recruiting
Menstrual cycle symptoms and women's health study
This study looks at the natural menstrual cycle symptoms and overall health in women who are not using hormonal birth control. It aims to understand how cycle-related symptoms affect daily life.
MadridAges 18–45 - NCT06634134Recruiting
Cycling study for female cyclists
This trial studies how the menstrual cycle affects cycling performance. It uses the JOIN cycling app to track your cycle and exercise, which may help athletes understand their bodies better.
GroningenAges 12–60 - NCT07084714Recruiting
Can moderate exercise help with period symptoms?
This trial tests whether moderate aerobic exercise can help manage menstrual cycle symptoms in people who are not very active. You would exercise for a few weeks while tracking your symptoms to see if exercise makes a difference.
Colorado Springs, ColoradoAges 18–40 - NCT06214442Recruiting
Menstrual cycle and calf muscle properties in women
This study looks at how the menstrual cycle affects the calf muscles in women. It compares women with natural cycles and those taking birth control pills, both active and sedentary.
Porto AlegreAges 18–30 - NCT06683248Recruiting
Night shifts and menstrual cycle health study
This study looks at how working night shifts affects your health throughout your menstrual cycle. It aims to help understand the risks and support better health for shift workers.
Uppsala, Uppsala CountyAges 18–35 - NCT05697263Recruiting
Study how your menstrual cycle affects exercise performance
This study looks at how different phases of the menstrual cycle can change exercise performance. You may be asked to follow a structured workout plan and track how you feel during the study.
StockholmAges 18–35 - NCT06910293Recruiting
Brain Activity During Menstrual Cycle vs. Fertility Treatment
This study looks at how natural menstrual cycles and ovarian stimulation (which mimics some fertility treatments) affect brain activity and hormone levels. Researchers want to understand normal brain changes during the cycle to help improve fertility treatments.
Abu Dhabi, Abu Dhabi EmirateAges 25–35 - NCT06377306Recruiting
Menstrual cycle and training load in female athletes
This study looks at how high training loads affect female athletes of different skill levels and how the timing of the menstrual cycle plays a role. It helps understand how to better plan training without risking health.
NetanyaAges 18–50 - NCT07591818Recruiting
How menstrual cycles affect athletic performance and health
This study examines how your menstrual cycle (or birth control pill) affects your athletic performance, health, and body. Researchers will compare female athletes with natural cycles to those using oral contraceptives to understand these differences better.
Cruz Quebrada, OeirasAges 18–30 - NCT07539831Recruiting
Menstrual cycle effects during minimally invasive gynecology surgery
This study examines how the menstrual cycle may affect pressure in the optic nerve (the nerve connected to your eye) during laparoscopic gynecologic surgery. Researchers want to understand if the timing of surgery within your cycle matters for eye and brain safety.
KonyaAges 18–45 - NCT06679491Recruiting
How your menstrual cycle affects strength training
This study looks at how resistance training timed to your menstrual cycle affects muscle performance in women who have a natural cycle or take the pill.
Le Tampon, FranceAges 18 years+ - NCT07258576Recruiting
Birth control vs. natural cycle: muscle response to exercise
This study compares how muscle protein responds to resistance exercise in women who use birth control pills versus those with natural menstrual cycles. Participants will do exercise sessions and have muscle samples taken to see how their bodies build protein.
Toronto, OntarioAges 18–40 - NCT06985420Recruiting
How the menstrual cycle affects exercise recovery
This study looks at how your immune system responds and recovers after strength training at different points in your menstrual cycle. It may help researchers understand how to tailor exercise for women.
Orlando, FloridaAges 18–40 - NCT05258292Recruiting
Track blood sugar changes with your period in type 1 diabetes
This study monitors how your blood sugar (glucose) changes across your menstrual cycle using a continuous glucose monitor. It may help researchers understand patterns that could improve diabetes care around monthly hormonal changes.
Montreal, QuebecAges 18–50 - NCT06750250Recruiting
Exercise timing and the menstrual cycle
This study looks at how aerobic exercise affects women differently depending on the phase of their menstrual cycle. It may help find the best time to exercise for better health results.
Lahore, Punjab ProvinceAges 18–25 - NCT06471582Recruiting
How meal timing affects your menstrual cycle
This study looks at how the timing of energy from food affects your menstrual cycle in women who exercise regularly. It may help understand how to support healthy periods for active women.
Colorado Springs, ColoradoAges 18–40 - NCT07481201Recruiting
Phenylalanine needs during the menstrual cycle
This study looks at how the body uses a specific amino acid (phenylalanine) during different phases of the menstrual cycle. It may help understand whether women's nutritional needs change with their cycle, and results can guide future dietary advice.
Vancouver, British ColumbiaAges 20–35 - NCT05936840Recruiting
Track menstrual cycles with a new monitoring method
This study uses regular testing (including ultrasounds) to monitor menstrual patterns across multiple cycles. It may help people understand and predict menstrual and ovulation-related changes, especially in people with PCOS or those who are athletes.
Calgary, AlbertaAges 18–55 - NCT07456202Recruiting
How your menstrual cycle affects nausea after gallbladder surgery
This study looks at whether the phase of your menstrual cycle influences how much anesthesia medicine you need and how likely you are to feel sick after gallbladder surgery. If you join, it could help doctors personalize care for women having this procedure.
Ankara, AnkaraAges 18–65 - NCT06222749Recruiting
Oxytocin and Brain Reward in Women
This study looks at how a hormone called oxytocin affects the brain's reward system in women. If you are a healthy woman with a natural menstrual cycle or on birth control pills, you may be able to join and help researchers understand how oxytocin influences emotions and motivation.
Tübingen, Baden-WurttembergAges 18–40 - NCT03299179Recruiting
Female hormones and brain blood flow during MRI
This study checks how female hormones may change blood flow in the brain. You may be asked to undergo an MRI scan while hormone levels are assessed.
GhentAges 18–25 - NCT07580118Recruiting
Postbiotic Supplement Study for Female Athletes
This study tests whether a postbiotic supplement (a type of gut health product) can reduce digestive problems that female athletes experience during exercise and their menstrual cycle. You'll take the supplement for several months while tracking your symptoms and training.
Liverpool, MerseysideAges 18 years+ - NCT07459465Recruiting
Triglycerides after meals across the menstrual cycle
This study looks at how a woman's triglyceride levels change after a meal during different phases of her menstrual cycle. It helps understand normal body responses in healthy women.
Ottawa, OntarioAges 18–30
Hear when a new Menstrual Cycle trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for menstrual cycle?
- Yes. Clin2 currently lists 43 recruiting menstrual cycle studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a menstrual cycle trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a menstrual cycle trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.