Then the female pigeon experienced her first pregnancy. When the time arrived, the chaste lady delivered a number of eggs within the nest in the presence of her husband.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
कपोती प्रथमं गर्भं गृह्णती काल आगते । अण्डानि सुषुवे नीडे स्वपत्युः सन्निधौ सती
kapotī prathamaṃ garbhaṃ gṛhṇatī kāla āgate | aṇḍāni suṣuve nīḍe svapatyuḥ sannidhau satī
SB 11.7.57