The name Easter may, or may not, be derived from the Sumerian goddess Inanna, or Ishtar—the source of the Hebrew name Esther.
Belle Jar has more: Ishtar was the goddess of love, war and sex.
Anyway, the point I am trying to make here is that, yes, Ishtar was associated with fertility and sex.
The portents taken through observation of the position of Ishtar or Venus in the heavens were of especial value.
The seat of the latter was in Nineveh, as was of course also the seat of Ishtar of Nineveh.
In the crisis of the Deluge we are told, 'Ishtar spoke like a little child, the great goddess pronounced her discourse.
(I am) Ishtar,—to open the lock of heaven belongs to my supremacy.
Ishtar is thus the mother of men, herself deified and gone into the heavens, but even there mourning over her hapless children.
At night, in the presence of Marduk and Ishtar, the king brings his gift.
Accordingly he bids Tsaidu return to the mountains, taking with him Ukhut, one of the sacred women of the temple of Ishtar.