MENSTRUAL CYCLE

This study is observing how the phase of a woman's menstrual cycle (follicular vs. luteal) might affect the optic nerve sheath diameter, which is a measure of pressure inside the skull. Researchers will also track nausea and thinking after surgery. The goal is to see if natural h…

This study aims to find biological markers in the blood that may help identify Premenstrual Dysphoric Disorder (PMDD), a severe mood condition linked to the menstrual cycle. Researchers will collect blood samples and track mood changes in 500 women—some with PMDD and some without…

This study looks at how natural menstrual cycles and birth control pills affect the way women build muscle after weightlifting. Researchers will measure muscle protein synthesis in 20 active women after exercise and a protein drink. The goal is to provide better training and nutr…

This study looks at whether women need different amounts of the essential amino acid phenylalanine during different phases of their menstrual cycle. Current recommendations are based on studies in men and may not fit women. Researchers will use special diets and a simple breath t…

This study looks at different ways to track ovulation, like checking cervical mucus, urine tests, and body temperature. Thirty women who already use the Premom app will track these signs for three months. The goal is to see which combination of signs gives the most accurate pictu…

This study watches 120 women having gallbladder surgery to see if their menstrual phase or menopause changes how much anesthesia they need and how sick they feel afterward. Researchers measure hormone levels and track nausea and vomiting. The goal is to learn more, not to test a …

This study looks at whether scheduling workouts based on menstrual cycle phases improves fitness in female athletes. About 111 healthy women who exercise regularly will follow different training plans over three cycles. Researchers will measure changes in aerobic fitness, muscle …

This study looks at how antipsychotic drugs might disrupt insulin action in the brains of healthy young women, and how this changes across the menstrual cycle. Fifteen participants will receive olanzapine or a placebo, plus intranasal insulin, and undergo MRI scans. The goal is t…

This study is looking at whether the timing of when a hormone-releasing IUD is placed affects the chance of developing ovarian cysts. Researchers will follow 60 women for one year, using ultrasound to check for cysts at 0, 3, 6, and 12 months. The goal is to find the best time in…

This study looks at how different phases of the menstrual cycle affect walking patterns, pelvic movement, and sleep quality in healthy women aged 18 to 35 with regular cycles. Researchers will measure these factors during the early follicular, ovulation, and luteal phases using a…

This study watches 60 women ages 18-40 having nose surgery to see if their menstrual cycle phase changes how often they feel sick or vomit after surgery. Researchers will also check if a drug called sugammadex plays a role. No extra treatments are given—just routine care and reco…