Frostflower and Thorn — Phyllis Ann Karr

SWORDSWOMAN & SORCERESS
The Sorceress Frostflower could bring a babe from seed to term in the course of a winter's afternoon. The Swordswoman Thorn could strew a field with corpses in a moment's battle rage.

Outcasts, both of them. Hunted by the farmer-priests who ruled the wasteland that once had been a world. Then Thorn in her folly got pregnant. Flower in her folly wanted the child. And together, foolishly, they set out to survive...