Declension table of yuvatva

Neuter	Singular	Dual	Plural
Nominative	yuvatvam	yuvatve	yuvatvāni
Vocative	yuvatva	yuvatve	yuvatvāni
Accusative	yuvatvam	yuvatve	yuvatvāni
Instrumental	yuvatvena	yuvatvābhyām	yuvatvaiḥ
Dative	yuvatvāya	yuvatvābhyām	yuvatvebhyaḥ
Ablative	yuvatvāt	yuvatvābhyām	yuvatvebhyaḥ
Genitive	yuvatvasya	yuvatvayoḥ	yuvatvānām
Locative	yuvatve	yuvatvayoḥ	yuvatveṣu

Compound yuvatva -

Adverb -yuvatvam -yuvatvāt