Astanga Hrudaya
वायुना बहुशो भिन्ने यथास्वं बह्वपत्यता वियोनिविकृताकारा जायन्ते विकृतैर्मलैः॥६॥
(menstrual blood) getting divided into many parts (after their union) by vata gives rise to multiple embryos. Embryo dissimilar to the yoni (species kind) or of abnormal shapes- are produced by the abnormal (vitiated) dosas
english translation
vAyunA bahuzo bhinne yathAsvaM bahvapatyatA viyonivikRtAkArA jAyante vikRtairmalaiH॥6॥
hk transliteration by Sanscript