1 There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts. There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts.
Although the CDC states that pregnant women are 20 times more likely to become infected than non-pregnant healthy adults, the number of cases of listeriosis in pregnant women is about 17% . Symptoms of listeriosis may show up 2-30 days after exposure. Symptoms in pregnant women include mild flu-like symptoms, headaches, muscle aches, fever, nausea, and vomiting. If the infection spreads to the nervous system it can cause stiff neck, disorientation, or convulsions.
Typically, the symptoms of a miscarriage worsen as the miscarriage progresses. Spotting turns into heavier bleeding; cramping starts and becomes stronger. Among pregnant women, any of the following symptoms may indicate miscarriage: 1  Vaginal bleeding or spotting, with or without cramps; this bleeding may occur very early in your pregnancy -- even before you miss your menstrual period and know that you are pregnant -- or it may occur later, after you know you are pregnant. 2  Mild-to-severe lower back ...