One study that relied on questionnaires showed that the total pain scores (given by women having abortions):
“found that the average abortion pain ranked higher than that experienced by people suffering from fractures, sprains, neuralgia, arthritis, and was equal to that reported by amputees experiencing phantom limb pain and patients with cancer.”
Belanger E., Melzack R, Lauzon P. Pain of the First Trimester Abortion: a Study of Psychosocial and Medical Predictors. Pain 1989 March; 36 (3): 339 – 50
This study seems to indicate that many women find abortion extremely painful.
And they are often quite painful for the baby:
