Given the circumstances, it probably wasn't best to say that.
Lady Tatyana laughs at your response in a triumphant manner.
"Oh but of course, my darling. That happens to all! Be it us females"- she loosened her bathrobe to reveal her cleavage -"or the unfortunate males like you whom only serve to nourish our superiority." She closed her eyes for a moment and quivered in ecstasy before closing her robe once more.
"You needn't be anxious about something so... natural. It was bound to happen some time, so it's a good thing that you told me. Now we can prepare accordingly. How long as this been happening?"
You swallow again. "Around 9 months or so."
She continues drawing circles on your face before kneeling down so she is face to face with you. She observes you with the eye of a curious vixen.
"And what... changes are happening specifically?"