ʻO nā māhoe a he māhoe paha
E like me kaʻikeʻana o nā kānaka a pau, aia nā keiki i hānauʻia hoʻokahi, akā uaʻano likeʻole. A ke kumu kēia i ka nui o nā oocytes e hui ai ka spermatozoa i ka manawa o ka huiʻana. Inā hoʻokahi ka hale wahine, a laila ua kapaʻia kēia mau pēpē he māhoe male a he māhoe. ʻO nā pēpē i hānauʻia hoʻokahi wale nō wahine a ua hānau maoli like.
A aia nā pēpē i hānauʻia i ka wā e hoʻomaʻamaʻa i nā hua. Hiki iā lākou keʻano o nāʻokoʻa likeʻole a iʻole ka moe kāne, aʻaʻole loa e like. ʻO nā pēpē i kapaʻia he māhoe māhoe a he māhoe paha.
Bihorial biamnotic ke hāpaiʻana i loko o ka wahine ke hiki ke hoʻomohala ma ka mua a ma ka hihiaʻelua, akā ināʻikeʻia kekahi mau hiʻohiʻona.
ʻO ka pehorua biamnotic pēpēʻia,ʻo ia hoʻi, e hōʻiliʻili i nā kuhupapaʻu i nā membrane amniotic e pili ana, a ua paʻiʻia kēlā mea kēia mea i ka paia o ka uterine ma o ka placenta.
Inā mākou e kamaʻilio e pili ana i nā māhoe like, ua puʻunaueʻia lākou ma waena o lākou e ka pūpū ulu, a he mau papa. ʻO nā pēpē i hānauʻia heʻuʻuku iho ma mua o ka hopena o nā hua.
No laila, ka hopena o ke kani o ka ultrasound i loaʻa iāʻoe nā "twiam biamnotic twisters" ke helehelena mua o nā māhoe a me nā māhoe paha. A e nānāʻia lākou e like meʻelua mau lelo o ka wai, aiʻole e likeʻole lākou, e hilinaʻi ana i kaʻano o nā māhoe a lākou e nānā nei.