Torah Shlema, ed. Menachem Kasher (New York: Shulsin ger; 1951) vol. 5, p. 1198. When Dinah was born, the biblical text reads, “Afterwards, she bore a daughter” and not, as for all of Leah’s other births, “she conceived and bore …” The explanation for this change is that Leah did not conceive a daughter but a son. This is the force of “afterwards,” understood to mean: after she conceived a son, she bore a daughter. See Torah Temima, ed. Baruch Epstein (Tel Aviv: Am Olam, 1951), vol. 1, p. 279, to Genesis 30:21