Both sexes of common treeshrews are sexually mature at the age of about three months. In captivity, females give birth for the first time at the age of about 4.5 mo, usually in February. A postpartum oestrus results in more births in April.
The reproductive development of common treeshrews is characterized by both sexes reaching maturity at approximately three months old. In captivity, females typically give birth to their first litter around 4.5 months old, usually in February, and then experience a postpartum estrus that leads to additional births in April.