Sex of the baby may play important role in would-be mother's
Study reveals would-be mothers, carrying female foetuses may exhibit a heightened inflammatory response that can contribute to sickness-related symptoms, such as achiness and fatigue. According to researchers, women, over the years, have claimed that body of a mother, carrying male and female baby, react differently.

The study, published in journal Brain, Behavior and Immunity, shows the sex of a baby is associated with pregnant women's immune responses.