spasmodically- adjective
http://www.thefreedictionary.com/spasmodically
Relating to, affected by, or having the character of a spasm; convulsive.
no name women
” this pain chilled her – a cold, steady kind of surface pain. inside, spasmodically, the other pain, the pain of the child, heated her.”
spasmodically was use to embrace the meaning of pain.