How to Raise Your Heartbeat. Studies have shown that just as little as 30 minutes a day of activities that raise your heart rate can have profoundly positive health effects. Also, as you age, a lower heart rate can make you feel cold more easily. In order to combat this, you'll need to partake in some particular daily movements.
Gestation is the carrying of an embryo or fetus inside female viviparous animals. It is typical for mammals, but also occurs for some non-mammals. Mammals during pregnancy can have one or more gestations at the same time (multiple gestations).
What is gestational age? Gestational age is the age of an unborn baby, or fetus in the uterus. It is measured in weeks and days and is based on the date of your last menstrual period. Your healthcare provider will talk about your pregnancy in terms of weeks, not months. There are 3 stages of each pregnancy, called trimesters.