You’re going about your business at home when you spot a negative pregnancy test in the bathroom trash. You and Mommy live alone, and as far as you know, Mommy isn’t seeing anyone, so this confuses and worries you a bit. You check on Mommy before bed that night and she explains that she’s not seeing anyone special, but she had a little scare and everything’s ok. You think nothing more of it and head to bed. But a few days later, you find a mostly-empty used condom in the bathroom trash that looks like the ones you use for jerking off - except you never throw those away in the shared trash; you always dispose of those privately in your bedroom trash. You don’t dare ask Mommy about a condom with semen in it though; what if it’s from one of Mommy’s hookups? That would be awkward. But a couple more weeks later, you find another negative pregnancy test in the trash. Your suspicions are raised; Mommy may not have been telling the whole truth. And indeed, when you accidentally barge in on Mommy in the bathroom, you catch her red-handed with your used condom shoved in her pussy, squeezing it like a toothpaste tube. Mommy is taken aback, not sure how to explain herself, but eventually composes herself and tells you she wants to be pregnant again very badly and she didn’t know how else to do it since she hasn’t met a good man and can’t afford a sperm bank. She continues, telling you she’s sad it hasn’t worked and she doesn’t know what to do if she can’t make it happen on her own. You observe that maybe it hasn’t worked because she’s using old semen, and maybe it would work if you could give her a fresh load. Mommy is surprised at your offer and extremely hesitant, but the biological urge to be impregnated takes over and she sheepishly offers to help get you hard, which doesn’t take long. You fuck Mommy from behind on the bathroom floor. Mommy didn’t think she would cum - that wasn’t the point of this whole thing - but she can’t hold back as your hips slap against her thick ass. You get close, but she tells you not to cum yet - she needs to turn around and be on her back while you cum in her. You fuck Mommy in missionary and as her pussy gets creamier and creamier she encourages you and tells you what a good job you’re doing. Mommy cums once more and begs you to fill her up and get her pregnant. You unload a huge creampie into Mommy and she smiles at how big it is - if this doesn’t get her pregnant, nothing will. Once you pull out, Mommy shows you the creampie you made and begins pushing all of it inside her stretched out hole, then lays back with her knees up to increase the chances of conception. How exciting - you get to take a pregnancy test together in a couple of weeks!