Suckling and lactational anoestrus in wild gorillas (Gorilla gorilla).

@article{Stewart1988SucklingAL,
  title={Suckling and lactational anoestrus in wild gorillas (Gorilla gorilla).},
  author={Kenneth J. Stewart},
  journal={Journal of reproduction and fertility},
  year={1988},
  volume={83 2},
  pages={627-34}
}
The present observations of wild gorillas demonstrate that lactation has a major influence on birth spacing. The frequency of suckling declined as infants matured, from greater than 1/h during the first year to about 1/2 h by 30-36 months when mothers usually resumed sexual cycling. In contrast, the length of suckling bouts remained relatively constant throughout lactation, averaging between 2.6 and 3.2 min per bout. Within infant age categories, suckling frequencies of less than or equal to 0… CONTINUE READING