Third, the gravitational effect of the moon is just as potent during new moonsâwhen the moon is invisible to usâas it is during full moons. There is a more serious problem for fervent believers in the lunar lunacy effect: no evidence that it exists.
Answer: Each pregnancy is divided into three trimesters. Each trimester is roughly a third of your pregnancy. These three trimesters have different emotional and physical happenings that make them unique. Here is a guided tour through each trimester:
Pregnancy is typically broken into three periods, or trimesters, each of about three months. Obstetricians define each trimester as lasting for 14 weeks, resulting in a total duration of 42 weeks, although the average duration of pregnancy is actually about 40 weeks.