Church Fathers on Luke 1:23

During the time of their course, the priests of the temple were so occupied by their office, that they kept themselves not only from the society of their wives, but even from the very threshold of their houses. Hence it is said, And it came to pass, that, as soon as the days were accomplished, &c. For as there was then required a priestly succession from the root of Aaron, of necessity then a time was appointed for keeping up the inheritance. But as now not a carnal…

What reason then for concealment, except shame? For there are certain allowed times in wedlock, when it is becoming to attend to the begetting of children; while the years thrive, while there is hope of child-bearing. But when in good time old age has come on, and the period of life is more fitted for governing children, than begetting them, it is a shame to bear about the signs of pregnancy, however lawful. It is a shame to be laden with the burden of another age, and for…

And therefore he says, Five months, that is, until Mary should conceive, and her babe leaping with joy should prophesy.