गर्भावस्था के दौरान गालों और माथे पर होने वाले अत्यधिक रंजकता (hyperpigmentation) को चिकित्सकीय रूप से क्या कहा जाता है?

For a woman presenting with occipito-posterior position, vaginal examination is performed immediately upon rupture of the membranes with an unengaged foetal head primarily to rule out:

All of the following are classic clinical cardinal signs or diagnostic components of pre-eclampsia except: