Pregnancy is a word that refers to the condition of being with child or being pregnant. When you find pregnancy quotes they show that this condition is one full of wonder and incredible emotions. Pregnancy is the way that many species reproduce, and the time spent being pregnant before birth occurs will vary greatly and depend on the species involved. A human pregnancy lasts approximately 9-10 months, while an elephant may experience a pregnancy that lasts two years or more. Mice have a pregnancy span of around 28 days. In general the larger the animal is the longer the pregnancy will last. During pregnant the mother may experience a variety of symptoms, depending on what stage she is in currently. A pregnancy in humans is divided into three trimesters, each lasting three months.