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Morning sickness, when associated with pregnant women can be a good thing, according to a new study. The latest research claims that vomiting and nausea in a pregnancy are linked to lower miscarriage rates.

In the study conducted by National Institute of Child Health and Development (NICHD), it was found that expectant mothers with morning sickness had 50 - 70% lower risk of miscarriage than the rest, reported Live Science.

The team, led by Stefanie Hinkle, mentioned that the findings might "provide reassurance to women experiencing these difficult symptoms in pregnancy."

In the latest study, the researchers examined the data from 1,200 women, who enrolled in a study circle named "Effects of Aspirin in Gestation and Reproduction" trial. This study examined the effects of aspirin on miscarriages and delivery.

Out of the 1,200 test subjects, only 800 became pregnant. During the first trimester, the expectant mothers kept a daily journal, noting down their morning sickness symptoms. While in the second and the third trimesters, they filled out questionnaires about their symptoms as part of the study.

It was found out that during the study period, 188 women experienced pregnancy loss. However, this does not indicate that only morning sickness was linked to pregnancy loss. According to researchers, however, there can be various reasons why morning sickness is related to healthy pregnancy.

They believed that the nausea and vomiting leads to increase hunger for the mother. This, in turn, encourages them to change their eating habits, resulting in a positive impact on the pregnancy, suggested the experts.

Another theory places emphasis on a viable placenta, with the morning sickness as its signs. When the placenta is formed fully, it decreases the hormone production, resulting in morning sickness.

However, the researchers have also mentioned that while morning sickness is a good thing, pregnant mothers should not be stopped from taking medications to alleviate their conditions.