Research
Energy balance
Menstrual frequency increased in all groups from baseline to 12 months.
This suggests that while HIT may not be effective, some improvement in menstrual frequency can occur over time.
StrongSupportsmedium confidence
Menstrual frequency increased in all groups from baseline to 12 months.
Why this rating
Based on the randomized controlled trial design.
Source
High-Intensity Interval Training in Polycystic Ovary Syndrome: A Two-Center, Three-Armed Randomized Controlled Trial.
Ida Almenning Kiel et al. · PubMed · 2022
DOI 10.1249/mss.0000000000002849
rct · n=64Cited 5×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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