भ्रूण के अंगों को आमतौर पर किस गर्भकालीन आयु के आसपास से पेट की जांच में स्पष्ट रूप से स्पर्श (palpate) किया जा सकता 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?