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.
produces decreases gradually. But with domesticated dog puppies, you will need to help out. Most experienced dog breeders begin the weaning process when puppies are three to four weeks old and are interested in foods other than their mother's milk. This is also about the time the puppies' teeth are coming in and their mother is usually happy to nurse them less as a consequence. Hopefully you have been handling and checking over your