In women, premature delivery, insulin-dependent diabetes mellitus (IDDM),4 obesity, Cesarean section and endocrine disturbances can either delay or suppress lactogenesis II and affect the successful establishment of lactation (18).
third spacing is a shift of fluid into the interstitial spaces--where there is little fluid normally perfusing. this patient differs from the pt with generalized edema because the third spacing is just that... all the fluid has shifted from the other compartments and although they look all puffy and full of fluid, they are actually hypovolemic.
third-variable problem. A third variable is any variable that is extraneous to the two variables being studied. Any number of other third variables may be responsible for an observed relationship between two variables.The third variable is an alternative explanation for the observed relationship between the variables.