That's answered several times in the thread, and again the answer to that question is no.
That's her second-last dose of normal serums, prior to MCS-X if you choose to use that on her at all. Given your question about Ava, I'd recommend you don't giver her or Dakota MCS-X. Well, you can to see the outcome, but you won't like it, especially for Dakota.
The only possible way of having sex with Ava that does not require her being dosed into fucking other people to seek release in futility, is to rape her. That's it.[/QUOT