How long are hamsters pregnant?
16 days
typically 16 days
A hamster's gestation period is 16 days, the shortest known among eutherian animals.
- Hamsters have a consistent estrous cycle of 4 days.
- Hamsters show high responsiveness to conventional superovulation regimens.
These are the documented figures; individual animals vary and a veterinarian is the right reader of any concern.
Grounded in: pmc.ncbi.nlm.nih.gov. Every figure above appears
verbatim in the linked sources.
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