Astanga Hrudaya
पूर्णषोडशवर्षा स्त्री पूर्णविंशेन सङ्गता। शुद्धे गर्भाशये मार्गे रक्ते शुक्रेऽनिले हृदि॥८॥
The women, who has completed sixteen years of age, mating with a man who has completed twenty years, the uterus, the channels, the blood (menstrual), semen, vata and hrdaya (the mind, in this context) all being pure (unvitiated),
english translation
pUrNaSoDazavarSA strI pUrNaviMzena saGgatA। zuddhe garbhAzaye mArge rakte zukre'nile hRdi॥8॥
hk transliteration by Sanscript