Interestingly, many women know about theirpregnancy even before the test shows two clear stripes. However, each woman's body is individual, some experience unusual changes in the body, some do not, but at the moment when suspicions are confirmed, each of us strives to give the future child only the best. A useful companion and assistant for your entire "interesting" period will be.In many cases, women cannot accurately name the date of conception, so doctors usually start counting from the date of the start of the last menstrual cycle. The expected date of birth can be obtained using the following method: add 280 days to the date of the start of the last menstrual cycle, or add 7 days to the specified date and subtract three months. Of course, it is a little difficult to perceive such information by ear, so most often a convenient interactive pregnancy calendar is offered. Sometimes it is also called a pregnancy calculator. With the help of the calendar, you can easily see how the baby is developing, many amazing things happen to it every week, from a small cell in forty weeks the best thing that can be in the life of every mother turns out - a child. In addition, do not forget that pregnancy is really hard work, and also very responsible, so it is much easier to go through this difficult period fully armed and know exactly what, how and in what way is happening in your body. We recommend reading: