Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: Four defects are not acceptable in sale or marriage: (1) insanity, (2) leprosy, (3) vitiligo, (4) a woman who has a growth in her private part.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 14228