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Table 2 Mean duration of the maximum swelling phase (MSP) for each reproductive state

From: Mixed messages: wild female bonobos show high variability in the timing of ovulation in relation to sexual swelling patterns

Reproductive state Mean duration of the MSP SD Number of cycles Number of females
Cycling 11.8 7.1 41 11
Pregnant 10.5 5.9 4 3
Early lactation 8.6 6.1 25 9