pregnancy and giving birth in arctic. north nomads life

Tundra nomads like nenets or khanty or chukchi still live like their ancestors in a way. They still work hard nomading with reindeer for hundreds miles every month. But wait! how about women giving birth in tundra when there are no hospital or clinic for 500 km! Well most of times they give birth right in tundra in their choum. But not always! Just take a look!