Most moms carrying twins go into labor at 36 to 37 weeks, as opposed to 40 in a single pregnancy, Al-Khan says, and some may go even earlier. Generally, if the twins are born after 34 weeks, there should not be a major concern, but a premature baby is still a premature baby, he says.
False pregnancy in humans is less common, and may sometimes be purely psychological. It is generally believed that false pregnancy is caused by changes in the endocrine system of the body, leading to the secretion of hormones that cause physical changes similar to those during pregnancy.
Pregnancy: The HCG diet is a popular diet now. However, it is the same hormone that your body produces when you are pregnant so it can cause a false positive pregnancy test. Still, if you are pregnant, the HCG should not cause any problems with the pregnancy and won't cause you to miscarry. ...Read more.