No Morning Sickness: Are You More Likely to Miscarry?

I heard that the sicker you are, the more healthy your baby is. I am almost eight weeks pregnant and I don't feel very nauseous at all. Does that mean I'm more likely to miscarry?


Peg Plumbo CNM

Peg Plumbo has been a certified nurse-midwife (CNM) since 1976. She has assisted at over 1,000 births and currently teaches in the... Read more

Very few studies have researched the onset of symptoms in early pregnancy. A study published in in the July 2002 issue of the Journal of Clinical Epidemiology found that almost 90 percent of pregnant women who do not eventually miscarry experience pregnancy-related symptoms within eight weeks of their last menstrual period. Most women begin experiencing pregnancy symptoms abruptly at six weeks after their last menstrual period -- two weeks after your first missed period -- and these continue each day. It was discovered that symptoms started later in pregnancies that miscarried, as well as among women who smoked tobacco or marijuana. (Journal of Clinical Epidemiology 2002;55:676-680)

If the embryo does not get a firm attachment within the uterus, levels of hormones necessary to sustain and nourish the pregnancy are low and cause no symptoms.

On the other hand, I have delivered many babies whose mothers had absolutely no indication that they were pregnant, other than fetal movement and an enlarging uterus. I have also seen many losses despite the fact that the mother had nausea and all of the other symptoms of early pregnancy.

Good luck with your pregnancy!

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