Astanga Hrudaya
क्लीबं तत्सङ्करे, तत्र मध्यं कुक्षेः समुन्नतम्। यमौ पार्श्वद्वयोन्नामात्कुक्षौ द्रोण्यामिव स्थिते॥७२॥
Signs of eunach in the womb and twin pregnancy: With the mixture of both the features she gives birth to a enuch (hermophrodite) in the case her abdomen is found more elevated in its centre in case of twin fetus, the abdomen appears bulged in both its sides and depressed in the middle, like a trough
english translation
klIbaM tatsaGkare, tatra madhyaM kukSeH samunnatam। yamau pArzvadvayonnAmAtkukSau droNyAmiva sthite॥72॥
hk transliteration by Sanscript