dragoon - a member of a European military unit formerly composed of heavily armed cavalrymen. 1  cavalryman, trooper - a soldier mounted on horseback; a cavalryman always takes good care of his mount.
However, milder products (e.g., stool softeners, bulk-forming laxatives) should be used whenever possible for constipation. Magnesium citrate is a saline laxative that is thought to work by increasing fluid in the small intestine. It usually results in a bowel movement within 30 minutes to 3 hours.
fetch ~ PIO/progesterone can definitely cause constipation/stool hardening. I had to take colace (without laxative) daily from a few days after my transfer through almost 14 weeks pg. I have done 4 IVF cycles and noticed that as soon as I started PIO I would have issues with stool hardening.