Research
Hormonal
Use of second generation oral contraceptives (OC) did not significantly improve muscle adaptations to 10 weeks of resistance training compared with nonusers.
Practitioners should note that second generation OCs do not enhance resistance training adaptations in untrained young women.
StrongRefutesmedium confidence
Collectively, use of second generation OCs in young untrained women did not significantly improve adaptations to 10 weeks of resistance training compared with nonusers.
Why this rating
Based on study design from abstract.
Source
Influence of Second Generation Oral Contraceptive Use on Adaptations to Resistance Training in Young Untrained Women
Line Barner Dalgaard et al. · The Journal of Strength and Conditioning Research · 2020
DOI 10.1519/jsc.0000000000003735
other · n=38Cited 19×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Quadriceps muscle cross-sectional area (mCSA) increased more in OC users (11.0 ± 6.0%) than in nonusers (9.2 ± 5.0%) after the training period.Strong
- A tendency toward a greater increase in fat-free mass (FFM) was observed in the OC group (3.7 ± 3.8%) compared to nonusers (2.7 ± 3.5%), with p = 0.08.Strong
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