Yes, one of the key characteristics of chordates is that they have a post anal tail, including during fetal development.
tailbone?
The tailbone is the end of the spine.
The coccyx is what we refer to as the tailbone.
Tailbone.
The coxxyx is the tailbone
The medical term meaning pertaining to the tailbone is coccygeal. The proper name for the tailbone is coccyx.
Not early on. Later in the pregnancy, as the baby gets larger, there may be pain due to the pressure being placed on the area.
Coccyx
the cocyx is the tailbone
coccyx
Coccyx
That would be the Coxyx - pronounced 'cocksix'