The embryo of Pūru’s descendant begotten by the great hero Abhimanyu in the womb of Uttarā, his wife, was burnt by the weapon of the son of Droṇa, but later he was again protected by the Lord.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
उत्तरायां धृतः पूरोर्वंशः साध्वभिमन्युना । स वै द्रौण्यस्त्रसञ्च्छिन्नः पुनर्भगवता धृतः
uttarāyāṃ dhṛtaḥ pūrorvaṃśaḥ sādhvabhimanyunā | sa vai drauṇyastrasañcchinnaḥ punarbhagavatā dhṛtaḥ
SB 3.3.17