नेगेल के नियम (Naegele's rule) के अनुसार, अंतिम मासिक धर्म (LMP) के पहले दिन से प्रसव की संभावित तिथि (EDD) की गणना कैसे की जाती है?

The primary benefit of maternal administration of glucocorticoids in preterm labour is to:

A nurse assessing a woman in active labor notes that the fetal head is the part entering the pelvic inlet first. The fetus has a flexed head with the occiput as the leading bony landmark. Which fetal presentation and denominator is most appropriate?