Bhagavad Gita 1.41

अधर्माभिभवात्कृष्ण प्रदुष्यन्ति कुलस्त्रियः। स्त्रीषु दुष्टासु वार्ष्णेय जायते वर्णसङ्करः

adharmābhibhavāt kṛiṣhṇa praduṣhyanti kula-striyaḥ strīṣhu duṣhṭāsu vārṣhṇeya jāyate varṇa-saṅkaraḥ

Owing to predominance of lawlessness, O Krishna, the women of the family become corrupt; women corrupted, O Vârshneya, there ariseth caste confusion;