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Superfetation. Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. [1][2][3] In mammals, it manifests as the formation of an embryo from a subsequent menstrual cycle, while another embryo or fetus is already present in the uterus.
merc67/Getty Images. Think kale, spinach, arugula and Swiss chard.They’re all rich with folate, plus some other beneficial pregnancy nutrients cited by ACOG like vitamin C, the minerals iron ...
Superfecundation is the fertilization of two or more ova from the same cycle by sperm from separate acts of sexual intercourse, which can lead to twin babies from two separate biological fathers. [1][2] The term superfecundation is derived from fecund, meaning able to produce offspring. Homopaternal superfecundation is fertilization of two ...
Methylmercury, a worldwide contaminant of seafood and freshwater fish, is known to produce adverse nervous system effects, especially during brain development. Eating fish is the main source of mercury exposure in humans and some fish may contain enough mercury to harm the developing nervous system of an embryo or fetus, sometimes leading to ...
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The seafood industry has taken a toll on the ocean's resources, and many marine species have been impacted. Years of overfishing have reduced some populations to below sustainable levels, and ...
Pregnancy. Prenatal nutrition addresses nutrient recommendations before and during pregnancy. Nutrition and weight management before and during pregnancy has a profound effect on the development of infants. This is a rather critical time for healthy development since infants rely heavily on maternal stores and nutrient for optimal growth and ...
The EMS dispatch reports do suggest that some people may have been trying to work while ill. During the peak season of 2012, a 26-year-old woman was experiencing stomach pains and vomiting. “Been going on for the last 48 hrs,” the report reads. About a year later, a 24-year-old woman was reported to be suffering an asthma attack at the ...