The tadpoles secrete a hormone that inhibits digestion in the mother whilst they develop by consuming their very large yolk supply.
ðə tˈædpoʊlz sᵻkɹˈiːt ɐ hˈoːɹmoʊn ðæt ɪnhˈɪbɪts daɪdʒˈɛstʃən ɪnðə mˈʌðɚ wˌaɪlst ðeɪ dɪvˈɛləp baɪ kənsˈuːmɪŋ ðɛɹ vˈɛɹi lˈɑːɹdʒ jˈoʊk səplˈaɪ.