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.
Feelings of sickness (nausea) affect the majority of women during pregnancy, particularly during the first three to four months. Tiredness may be more pronounced during the first and third trimesters. Period symptoms include. Some of the symptoms are the same, but some are different. 1  missed period, 2  nausea with or without vomiting, 3  tiredness, 4  dizziness, 5  breast changes and breast tenderness, and. 6  frequent urination.