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.
Common symptoms and discomforts of pregnancy include: 1  Tiredness. 2  Constipation. 3  Pelvic girdle pain. 4  Back pain. 5  Braxton Hicks contractions. Occasional, irregular, and often painless contractions that occur several times per day. 6  Edema (swelling). Common complaint in advancing pregnancy. 7  Increased urinary frequency.