Pregnancy cycle calculator download – easily grasp the time of conception Pregnancy is a very important thing in a woman\’s life, and understanding her pregnancy cycle and mastering the time of conception are the keys to achieving a healthy pregnancy. Now, with the development of technology, we can use various tools to help solve these problems, such as a pregnancy cycle calculator download. Aspect 1: What is a pregnancy cycle calculator? The pregnancy cycle calculator is a small tool based on scientific theory. It automatically calculates your pregnancy cycle by inputting some simple data, such as the start time of menstruation, menstrual cycle, etc.