The gestation period for saiga antelopes is typically around 5 months, or 139 to 152 days. Some sources report an average gestation period of 138 days. After this period, females give birth to their offspring, typically in late April or May.
The average number of offspring per birth is around 1.3 to 1.7, though in the first year, one offspring is more common while subsequent births may result in two offspring.