Train Strength (using time)

You head into the barracks and ask for training. A couple of the soldiers laugh at your request, but then you offer to pay for them to train you. "How much we talking here?" one of them asks. "Well, I do have a bit of money, so how does 20 gold sound?" "Kid, it's gonna take a couple of months for you to see anything. 20 gold for us to train you over the months to come on top of our normal duties simply isn't worth it." "Okay, how about 50 gold?" "Eh, closer, but we'd still be operating at a loss with that. How about 150?" You wince a bit, that seems a bit pricy. "Okay, I get your point, how about 70 gold?" "70? Don't make me laugh. However, because I like you, I'll offer the services for 130 gold." This haggling proceeds until eventually a final price is settled on: 100 gold.

Over the next ten weeks, they proceed to put you through rigorous training, and said training does show by the end of it. You duel daily with the soldiers, and do drills with them. By the end of the two and a half months, you do feel significantly stronger, if slightly sore. You also know definitively by the end of it based on all your symptoms: you are definitively pregnant.