Canto 2 -
Ayodhyā-kāṇḍa
Chapter 110: Vasiṣṭha Requests Rāma to Accept the Throne
Text 2.110.17

द्वे चास्य भार्ये गर्भिण्यौ बभूवतुरिति श्रुतिः॥

dve cāsya bhārye garbhiṇyau babhūvatur iti śrutiḥ

dve ca = two; asya = his; bhārye = wives; garbhiṇyau = pregnant; babhūvatuḥ = were; iti śrutiḥ = it was known that.

“It was known that his two wives were pregnant.