Fig. 3From: Effects of oral contraceptive use on muscle strength, muscle thickness, and fiber size and composition in young women undergoing 12 weeks of strength training: a cohort studyIncreases in the numbers of muscle cell nuclei after 12 weeks of strength training. The panels compare women in the non-OC (a: pre-training, b: post-training) and OC (c: pre-training, d: post-training) groups. OC, oral contraceptiveBack to article page