When an act of union takes place between male and female, the vital seed comes out and causes conception. I have thus explained to you what you had asked. When else do you wish to hear.
ततो गर्भ: सम्भवति श्लेषात् स्त्रीपुंसयोर्नृप। भूयः किं श्रोतुमिच्छसि॥