Dr. Rozas says: “For three years I have employed Kali phos., 4x, in doses the size of a bean, dry on the tongue, every ten or fifteen minutes, as a remedy to excite labor pains. It has never failed me, and I seldom have to give the third dose ”
Kali phosphoricum. — Feeble and ineffectual labor pains. Tedious labor from constitutional weakness, or in nervous, hysterical patients; pains irregular or weak; patient restless, nervous and tearful. To excite true labor pains; threatened miscarriage.