Read about head-down fetal positions here. Go to the Breech section to read about head-up babies.
The Belly Mapping how-to article may give you clues to your own baby's position.
Asynclitism means asymmetrical. Its when a baby’s head is tipped towards one shoulder. The tipped head has a harder time passing through the narrow part of the pelvis; the ishial spines. Labor becomes longer, and sometimes baby doesn't fit out the pelvis...Happily, we have techniques for this problem.
In this article, what is a posterior fetal position, pregnancy clues a mother can use to tell if baby is posterior, why it matters in labor, who might have an easy posterior labor and who might need more help. Click to go to What to do in a Posterior Labor.
Pregnancy may or may not show symptoms - labor may or may not be significantly effected. When labor IS effected, there is a range of what can happen.