Fig. 6From: Mixed messages: wild female bonobos show high variability in the timing of ovulation in relation to sexual swelling patternsDuration of the MSP in anovulatory swelling cycles. Thick black bars indicate the MSP; thin black bars indicate swelling stage 3; white bars indicate sampling gaps. Female names and cycle numbers are shown on the y-axis. (1)Indicates that this swelling cycle occurred during early lactation. All other swelling cycles occurred > 24 months postparturitionBack to article page