“…%L-arginine decreased (P < 0.05) uterine weight (-20%), total … (-17%), total fetal weight (-34%), total volume of allantoic and amniotic fluids (-34 to 42%), concentrations of progesterone in maternal plasma (-33%), as well … (-35%), estrone (-40%), and estrone sulfate (-37%) in allantoic fluid, compared with the control group.”