The more babies a woman is carrying, the more likely it is that her uterus will swell, triggering contractions, says Brian Brost, M.D., associate professor of maternal/fetal medicine at the Mayo Clinic, in Rochester, Minnesota. An early due date isn't the only challenge to having multiples.
Dogs do not menstruate like humans do. Instead, they come into estrus (come into heat/season) about twice a year, once they have reached sexual maturity. This can sometimes be associated with a small amount of blood from the vulva, but it is not truly a period. Female puppies can reach sexual maturity potentially as early as six months old, although the first season (which is the closest equivalent to getting their period) is often at about nine months old.
Iâll cut straight to the chase and say you shouldnât bring your puppy home until itâs at least 7 weeks old, with the recommended age universally agreed to be 8 weeks of age.his period declines at about 12 weeks of age and almost completely ends at 14 weeks where fear begins to creep in as a natural trait essential to survival if it lived in the wild. So itâs essential that a puppy is socialized to as many things as possible during the 7 to 12 week period, and 14 weeks at the latest.