Krishna said The fall of this mighty weapon will not be useless. The foetus will die. But being dead, it will revive and have a long life.
श्रीभगवानुवाच अमोघः परमास्त्रस्य पातस्तस्य भविष्यति। स तु गर्भो मृतो जातो दीर्घमायुरवाप्स्यति॥