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.
1 Other possible symptoms of early pregnancy include mood changes, increased urination, headaches, low backache, breast tenderness, darkened areolas, fatigue, nausea, and implantation bleeding. 2  Symptoms of late pregnancy can include leg swelling, backache, heartburn, leakage of urine, and shortness of breath.
What Are the Symptoms of Miscarriage? 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: 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.