The Compendium of Caraka 4.4.41

4.4.41

kevalaścāyamuddeśo yathoddeśamabhinirdiṣṭo bhavati garbhāvakrāntisaṃprayuktaḥ ; tasya cārthasya vijñāne sāmarthyaṃ garbhakarāṇāṃ ca bhāvānāmanusamādhiḥ, vighātaśca vighātakarāṇāṃ bhāvānāmiti//

And this entire exposition connected with the descent of the embryo has been set forth in detail as outlined; and understanding of that subject gives the capability for the application of factors producing the embryo and the prevention of factors hindering it.