A therapeutic agent for the treatment of toxemia, preeclampsia and eclampsia and a method for preparing the therapeutic agent are disclosed. The therapeutic agent is a stable pharmaceutical preparation containing, but not limited to, digestive/pancreatic enzymes. The therapeutic agent may be manufactured by a variety of encapsulation technologies. Delivery of the therapeutic agent may be made orally, through injection, by adherence of a medicated patch or by other methods. Further, a method of using the presence of chymotrypsin in the maternal GI tract as a biomarker, to determine the likelihood of developing preeclampsia, a pregnancy induced hypertension, and eclampsia/toxemia is disclosed.