strīṣu duṣṭāsu vārṣṇeya
adharma — irreligion; abhibhavāt — having become predominant; kṛṣṇa — O Kṛṣṇa; praduṣyanti — become polluted; kula-striyaḥ — family ladies; strīṣu — by the womanhood; duṣṭāsu — being so polluted; vārṣṇeya — O descendant of Vṛṣṇi; jāyate — comes into being; varṇa-saṅkaraḥ — unwanted progeny.
When irreligion is prominent in the family, O Kṛṣṇa, the women of the family become polluted, and from the degradation of womanhood, O descendant of Vṛṣṇi, comes unwanted progeny.
. . .
अधर्माभिभवात्कृष्ण प्रदुष्यन्ति कुलस्त्रियः ।
स्त्रीषु दुष्टासु वार्ष्णेय जायते वर्णसङ्करः ॥ ४० ॥