Charak Samhita
शुद्धस्नातां व्रजेन्नारीमपत्यार्थी निरामयः। अच्छायश्चैकशाखश्च निष्फलश्च यथा द्रुमः ॥१६॥
who is sexually excited, cheerful and who has taken her post menstrual purifacatory bath. [Disregard of childless person and benefits of Vajikarana] A person without a child is just like a solitary tree with branches devoid of fruits and shadows and is devoid of any pleasant smell.
english translation
zuddhasnAtAM vrajennArImapatyArthI nirAmayaH। acchAyazcaikazAkhazca niSphalazca yathA drumaH ॥16॥
hk transliteration by Sanscript