Serum oxytocin concentrations in women under pseudopregnant therapy.

YOSHIDA, T., HATTORI, Y., TAKASHIMA, Y. and NODA, K. Serum Qxytocin Concentrations in Women under Pseudopregnant Therapy. Tohoku J. exp. Med., 1982, 137 (3), 347-348-The serum oxytocin concentrations in the pseudopregnant women were investigated. Since the beginning of the administrations of estrogen and gestagen, the serum oxytocin level had increased gradually and it reached at the same level as in the third trimester pregnant women in the 12th week of administration. The mechanism of increase of oxytocin in pregnant women is discussed.