Su, Śār., 2, 31.1 tatra prathame divase ṛtumatyāṃ maithunagamanam anāyuṣyaṃ puṃsāṃ bhavati yaś ca tatrādhīyate garbhaḥ sa prasavamāno vimucyate dvitīye 'pyevaṃ sūtikāgṛhe vā tṛtīye 'pyevamasaṃpūrṇāṅgo 'lpāyurvā bhavati caturthe tu sampūrṇāṅgo dīrghāyuśca bhavati /

Su, Śār., 3, 8.2 harṣautsukyaparāṃ cāpi vidyādṛtumatīm iti //