The Compendium of Bheḷa 4.5.13

4.5.13

tadyadā[tadyamu] sannipatitayor yatra puruṣaḥ pūrvamarthaṃ[sarvamardha] nandayati jaghanyaṃ strī tatra pumānihāṅgapratyaṅgaiḥ[pumānipratyaṅgaiḥ] sadṛśo jāyate | yatra tu strī prathamamarthaṃ sādhayati jaghanyaṃ puruṣaḥ, tatra strī vāṅgapratyaṅgaissadṛśī[sadṛśo] jāyate ||

So when, between the two who have united, the man experiences pleasure in the first part [of intercourse] and the woman at the end, then here a male is born resembling [the father] in major and minor limbs. Where, however, the woman accomplishes the purpose first and the man at the end, there a female is born resembling [the mother] in major and minor limbs.