Psychological or physical problems can be a cause of tiredness all the time. Serious illnesses especially the most painful can cause fatigue although some minor diseases can also tire someone out.

A lean body can be a sign of health but it is a concern if you are underweight due to poor nutrition, health concerns or pregnancy. Nutrition plays a major part in weight gain. The solution is not to eat, eat and eat because you will get flabby results instead of a healthy weight gain.

Premature birth is that which occurs before the 37th week of pregnancy. A pregnancy that lasts for more time takes about 40 weeks with a difference of days among different women and pregnancies for the same woman. Risks factors for premature birth include the previous occurrence of the same or having twins or triplets in the womb.

Morning sickness is a nauseous feeling that pregnant women experience during their first trimester of pregnancy. Nausea can also be accompanied by vomiting. Other names for morning sickness are nausea gravidarum, emesis gravidarum and nausea/vomiting of pregnancy are the other names for morning sickness which occur in around 80 percent of pregnant women.