Sforno on Exodus 1:15/ספורנו על שמות א׳:ט״ו

1למילדות העבריות, to the midwives resident in the capital. It was obviously impossible for such a large number of people residing in so many different parts of Egypt, to all be serviced by only two midwives. However, after the midwives in the capital, though Egyptian, betrayed the instructions by their king and explained to their king why they had done so, the king did not bother to rely on midwives anywhere else either, and the scheme was abandoned.