Morning Sickness :: essays research papers

Why do they call it morning sickness if I feel nauseated all day long?About three-quarters of all enceinte women have nausea (and somewhattimes vomiting) during their first trimester. For some, its worse in the morning and gets better over the course of the day, but "morning sickness" can mint at any time. The nausea usually starts around 6 weeks but can come on as early as 4 weeks for some women, and it usually tapers off around 13 weeks as you start your second trimester, although queasiness can come and go throughout your pregnancy. What causes nausea and vomiting during pregnancy?No one knows what causes nausea during pregnancy, but its probably due to some combination of the many physical changes taking place in your body. Some executable causes include Rapidly increasing levels of hCG, estrogen, and other hormones during early pregnancy No one knows why they may contribute to your nausea, but the timing is right malady tends to peak around the same time as your levels of these hormones do. An enhanced sense of smell and sensitivity to odors. Its not uncommon for a newly pregnant womanhood to find that shes now overwhelmed by the smell of a bologna sandwich from four blocks away, for example, and that certain aromas instantly trigger her gag reflex. This, too, may be a side effect of rapidly increasing estrogen in your system. A tricky stomach. Some women have a gastrointestinal tract thats more mass medium to the changes theyre undergoing in early pregnancy. One study even found an association between h. pylori (a gastrointestinal bacteria that can cause ulcers) and severe nausea during pregnancy, although no one knows why the two may be related. You may have heard that morning sickness can be caused by a B vitamin deficiency. While taking a vitamin B6 supplement does seem to help ease nausea in many pregnant women, that doesnt mean they have a vitamin deficiency. In fact, at least one study has shown no significant differences in the levels of B6 in women with morning sickness and those without it. No one knows why B6 is helpful. Some researchers excessively believe that stress and emotions may also play a role in morning sickness, but it would be hard to say whether its stress make the nausea or the other way around. Are some pregnant women more likely than others to have nausea?