Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 53

Sanskrit:

ताभ्यां रूपविभागाभ्यां मिथुनं समपद्यत ॥ ५३ ॥

ITRANS:

tābhyāṁ rūpa-vibhāgābhyāṁmithunaṁ samapadyata

Translation:

The two newly separated bodies united together in a sexual relationship.

Purport: