Charak Samhita
स्त्रीपुंसयोरव्यापन्नशुक्रशोणितगर्भाशययोः श्रेयसीं प्रजामिच्छतोस्तदर्थाभिनिर्वृत्तिकरं [१] कर्मोपदेक्ष्यामः ॥३॥
Now we shall explain the procedures required for begetting a progeny of excellent qualities, to be practiced by man and woman of unaltered (pure, undamaged) sperm, ovum and uterus.
english translation
strIpuMsayoravyApannazukrazoNitagarbhAzayayoH zreyasIM prajAmicchatostadarthAbhinirvRttikaraM [1] karmopadekSyAmaH ॥3॥
hk transliteration by Sanscript