Little Mare, Big Family

1 ½ Months Later (Full-Term)

“I’m glad you agreed to host the Summer Sun Celebration this year, Twilight,” said Princess Celestia. The two of them walked side by side down the streets of Ponyville, wearing their best Princess Smiles™. “I worried you might have trepidations after the last time Ponyville hosted.”

Twilight laughed, a hoof behind her head. “T-Trepidations? Me? Of course not! Why would I have anything like that?”

Celestia gave her a look.

A bead of sweat formed on Twilight’s brow. “...Mayyyyyyyybe I was a little nervous at first, but I got over it, honest! I just needed to remember what else happened besides Nightmare Moon returning.”

Celestia nodded. “Which was?”

Twilight looked over at a statue that’d been erected in the town square. Six mares stood on the points of a six-sided star, tall and proud as they watched over Ponyville.

A proper smile formed on Celestia’s lips. “You’ve all come such a long way.”

Twilight beamed. “We’re not the only ones. Ponies are getting married, starting careers, building whole new lives for themselves! It’s been amazing to watch fillies and colts I knew start families of their own.”

Celestia was about to reply, but then something caught her eye—two somethings, rather. The first was a male pegasus the size of a Saddle Arabian, standing head and shoulders above all the ponies around him. He’d just been given two jumbo-sized ice cream cones from one of the vendors. And the second something was the recipient of the second cone, an even bigger pony than him! She was an enormous,familiar-faced mare, standing a good two heads taller over him!

“Who…” Celestia squinted at the gigantic duo. She was positive she’d never encountered either of them—she would’ve remembered that! “Who are those two ponies?”

Twilight looked. “Hmm? Oh! Heh, speaking of starting families… Remember about fifteen years ago, I started something called ‘Twilight Time’? I think I told you about that...”

Celestia nodded. “You did.”

Twilight’s tone turned wistful. “That’s Scootaloo, one of my three little mischief makers. The stallion she’s with is her husband, Rumble. They’ll be welcoming their own little quartet of troublemakers any day now.”

Celestia’s eyes widened. She hadn’t seen from their angle, but now she saw that Scootaloo was IMMENSELY pregnant. Her swollen womb was the size of an overinflated medicine ball, so big that she could’ve been carrying a fully-grown stallion!

“C’mon! Let’s say hi!” Twilight led Celestia over. “I wanna introduce you.”

Dimly, Celestia let herself be navigated through the parting crowd. Ponies bowed as they passed, the typical murmurs and whispers of awe following in their wake.

“—hit the spot. Could definitely go for another—Twilight!” Scootaloo set down her ice cream cone. “And, uh… Princess Celestia! Also hi!”

Rumble swallowed his ice cream so fast he got a brain freeze. He dropped down into a bow, motioning for Scootaloo to do the same.

“Oh, knock it off.” Twilight fluttered up, giving Scootaloo a hug. “How’re you feeling? Still doing alright?”

Scootaloo flashed Twilight a smug grin. “Of course! What, you thought I’d start slowing down? Puh-leeze.”

Twilight laughed. “You’re right, I shouldn’t have assumed. You’ve got this all the way.”

Scootaloo stood up a little straighter. “Can you thank Starlight for casting that Permanency spell for me? I never got a chance.”

It was a rare thing for Celestia to be speechless. Then again, it was rare for her to encounter a pony several inches taller than her. Scootaloo was a veritable avatar of maternity, every inch of her brimming with vim and vigor. Her shiny coat, her solid legs and chest, her luxurious mane, her glowing face, her warm eyes. Her oversized barrel was stretched taut like a drum, her pregnant belly stretched down well below her knees.

“Let me introduce you to my old mentor.” Twilight gestured to Celestia. “You’ve heard of her, haven’t you?”

Scootaloo waggled her eyebrows. “Mmmm… nope! Can’t say I have. Nice to meet you, Twilight’s Mentor! Wow, your wings are so pretty!”

Celestia remembered herself. She looked up at Scootaloo (a welcome change), offering her hoof. “Nice to meet you, Scootaloo. And you, Rumble! Congratulations on your upcoming family—you’re going to have your hooves full.”

Scootaloo shook her hoof. “Don’t worry, we’ve got it covered. It might be a little crazy for awhile, but we’ll handle it.”

“We’ve uh, got a pretty extensive network to help us,” Rumble managed. “The hardest thing might be sorting through all the ponies who’ve volunteered.”

Scootaloo perked up. “Oh! Twilight, that reminds me. I’ve been meaning to ask you, do you know anything about fertility spells? We were thinking about looking into that in a few months.”

Twilight cocked her head. “Why?”

Scootaloo exchanged a look with Rumble, who simply shrugged. “Well… Rumble and I decided a long time ago that we want a big family. We’re in a really good place right now, and considering how well I handled this pregnancy, we figured there’s no harm in being… y’know, efficient.”

Twilight raised an eyebrow, but said nothing.

“We don’t really have anything holding us back.” Scootaloo gestured to herself, then her smooth, heavy paunch. “I got pregnant with these four by luck, but that’s not gonna happen again. The odds of it happening to begin with were nuts!”

Twilight’s mind whirred with calculations. “I… don’t think you even want to know what the odds of conceiving quadruplets twice in a row are. You’d have a better chance of lightning striking the same spot four times in a row.”

“Exactly,” Scootaloo said. “So if we wanna have more than one foal at time, we’re gonna need some help. We’re open to looking into multiple spells if there’s more than one, but from what I’ve read, a lot of them are really compatible with the one that’s permanently on me now. Does that sound about right?”

Twilight didn’t say anything right away. Instead she whispered something to Celestia, who wore a pensive expression.

“...Yes,” Celestia said slowly. “But, you’d need to pass a thorough examination before being allowed access. You’d need to demonstrate you two can support the amount of children you intend to have financially, emotionally, physically, and socially. I understand you want a big family, and you certainly have that right. But if you want magical assistance to conceive more than one child at a time…”

Scootaloo thought for a moment, sharing a few quiet words with Rumble. After some back and forth, they turned asone to Celestia.

“We’ll do it,” Scootaloo said.

“Just let us know what we have to do,” said Rumble.

Celestia summoned a quill and parchment, writing out some instructions. “You’ll be pleased to know that you should be able to do most of the testing here in Ponyville. Some of it, though, will need be done in Canterlot or Cloudsdale. Potentially, you could get it all done in as quickly as a month… but it could also take as long as a year.”

“Come and see me once you have all the appropriate recommendations,” said Twilight. “I can authorize the spell and arrange to have it cast on you.”

Scootaloo took the parchment with a huge smile. “Awesome! Thanks a lot!”

“But what exactly would the spell do?” Rumble asked. “How does it work?”

Celestia turned to him. “I’m afraid there’s no spell currently to guarantee a multiple pregnancy. The spells we have only increase your chances to various levels of potency. It’ll also depend on how well your genetic material responds to the magic.”

Twilight’s eyes flickered to Scootaloo’s heated waterbed of a womb, then to Rumble’s fat sheath and heavy nuts. “You... likely won’t need much. I bet a Level 2, mayyyyyybe a Level 3 Fecundity Ritual would be enough. I’m not sure how many you’re foals you’re looking to have at a time—”

Scootaloo waggled her eyebrows.

“—but I think that’ll get you good results.” A blush formed on Twilight’s face. “ALTHOUGH, that doesn’t mean I’m going to go easy on your paperwork! I’m going to make sure you two don’t overwhelm yourselves, okay? You both have foal fever bad. I think you should take a few months to see what it’s like with four before committing to more.”

Rumble scooched closer to Scootaloo. “We appreciate that, Twilight. You’re right, we might find that four is all we can handle, but for some reason… we don’t think that’ll be the case.”

Scootaloo smiled. “Call it a mother’s intuition.”

Twilight looked back up at Scootaloo. She looked so different now—from a small, scrawny athlete to a colossal feminine beauty. Her body had been reshaped into a maternal marvel, and she was thriving from it all, the excitement glinting in her eyes. Scootaloo had a new presence about her, too, a calm, serene air that put Twilight at ease, reminding her of her own mother...

“If you pass all the examinations,” Twilight said. “I’ll perform the spell on you myself. Deal?”

Scootaloo squee’d. “Deal!”

They talked a bit more for a few minutes before parting ways. Scootaloo and Rumble watched the closing ceremonies for the Summer Sun Celebration, then made their way back home.

“It may not be easy to pass all that testing,” Rumble said. “Princess Twilight can be a hardass when she wants to be.”

“I know.” Scootaloo put a ginormous orange wing around him, like a soft, feathery tarp. “But I also know we’ll get through it. Trust me, we’ll be on the fast track to the biggest family in Ponyville before we know it!”

A lopsided grin formed on Rumble’s face. “Maybe we’ll get lucky and you’ll get pregnant with even more than four, eh? Then the spell will make you even bigger.”

Scootaloo closed her eyes, her wingtip stroking his sheath. “We can only hope.”