Skandapurana 16.166.19

16.166.19

piturgehe tu yā kanyā rajaḥ paśyatyasaṃskṛtā ..
brahmahatyā pitustasya sā kanyā vṛṣalī smṛtā .. 19 ..

“That maiden who in her father's house sees her menses while unbetrothed / [causes] the sin of killing a brahmin to her father, and that maiden is deemed a degraded woman.”