The Law Code of Yājñavalkya 1.3.30

1.3.30

saṃcāriṇo rogāḥ śvitrakuṣṭāpasmāraprabhṛtayaḥ śukraśoṇitadvāreṇānupraviśanto doṣāḥ | punaḥ hīnakriyaniḥpauruṣatvādayo manunoktāḥ (MDh 3.7) | etaiḥ samanvitāt sphītād api pūrvoktān mahākulād api nāhartavyā || 1.54 ||

Infectious diseases are defects entering through semen and blood, such as vitiligo, leprosy, epilepsy, and the like. Furthermore, those stated by Manu: devoid of ritual rites, devoid of male offspring, and so forth. Even from a prosperous, previously described great family that is affected by these, [a maiden] must not be taken. || 1.54