But my pads and tampons and lots of Midol/Ibuprofen or other pain medication. Have sweets like chocolate or ice cream around and heating pads for cramps. Also make sure they drink lots of fluids because some girls get really sick on theirs or feel so sick they don't eat or drink. I feel for you OP! Just hang in there!

Is this their first period? If so, YDI, you have daughters, you're their parent. You should be knowledgeable about how to teach them about their body. You should have learned what to do and how to help them should this event occur and your wife isn't around. I know it might be awkward, but you know what's worse than a little bit of awkwardness, having to sit there, blood everywhere, in pain, and no idea how to fix it. Meanwhile the one person you think you can rely on, has no idea how to solve the situation either. If this isn't their first, it sucks and they might be moody and stuff. Just be sympathetic, they're uncomfortable and hormonal, but they can probably handle it by themselves perfectly fine. Also, make sure there's lots of pain killers in the house.

Lock them in their room and bar up the windows!

you have a wife who had children meaning she had her period clearly you have some experience on what your wife uses and what to get your daughters look in your bathroom

If you have hot packs, give them those. Pain medication if they're in pain, chocolate will probably go down well too.

If the girls don't know what's going on, you could start by giving them some female products that your wife, presumably, keeps around. From there, explain to them what they are experiencing. Try to keep an eye on their symptoms and monitor their pain and cramping, major depression or irritability, and try to get a vague idea of how heavy their flows are. The first two can be symptoms of rather severe disorders, the third can cause anemia. Also inform them of the symptoms of a yeast infection, because they may be more liable to them during and just after their menstruation. Also inform them about toxic shock syndrome, which occurs most often from tampons, but can also occur from pads. They may experience fatigue and brain fog as an effect- if so, caffeine may give some relief. If any of them are having serious issues with pain, fatigue, bleeding, focus etc., you may need to take them to a gyn down the road. You'll probably need to get more sanitary products- get a few different kinds, if possible, and avoid scented- and make sure they change their pads at least every six hours, though four or three would be better. Chocolate does help some people- dark is better for the medicinal aspect, but milk chocolate may be preferable for the comfort food aspect. Bananas and other potassium rich foods can help reduce cramping. Make sure they drink a lot of water, too- some people get dehydrated during their period. Dramamine or something similar can help if any of them experience nausea as a trait of their cycle. Outside of that, get them a few things that they crave- but don't over do it. Midol and other minor pain killers can help. For a heating pad, long grain rice that is completely uncooked and dry (the cheap kind, basically) put into a tube sock can be put into a microwave and heated for a very long lasting heat pad. It smells a little funky; and going more two or three minutes at a time in the microwave isn't the best idea. The first can negated with essential oils according to some people, and the fire hazard can be reduced by teaching the girls to be careful.

"The ones with the wings, definitely." - Man of the House

Do they have aunts you/they can talk to? Older female cousins? I had my first period when my mom was in London and before I'd had health class and only had a vague idea of what was going on. My mom had had a hysterectomy before tampons and modern pads, so my poor dad had no idea-not because he was a bad father, Because we were unprepared for me to start so young! We went to our neighbors house, they had 3 daughters, and they took me to the store and helped me find the best stuff to help me. Ask them what they're craving, buy the stick-on heating pads that they can wear all day, Advil, and pray. Triplets on the rag at the same time cannot be fun for anyone involved. And for all of you say that he's a bad dad cuz he doesn't know what to do? Piss off, would you know what to buy? Would you realize that the products their mom buys may not be right for them and their younger, smaller, unregulated bodies? What works for me definitely does NOT work for my daughter, I've been having periods for 30yrs and she's been having them for 1. Grow up, get off your high horse and have some sympathy for the man. He's willing to help, just doesn't know exactly what to do. What guy readies? In our society dads deal with boy stuff, moms deal with girl stuff. If I'm out of something and my hubby needs to go buy it, he needs the outer package, or at least the lid torn off, so he knows exactly what to get. Good luck OP, in reality you're trying to do the right thing and I believe in you!

They usually teach about that stuff in school around 4th or 5th grade. Give your daughters some credit I'm sure they arent completely clueless. If they have cramps, painkillers. Pads are great starter poducts. Later on, they can decide if they would prefer to try tampons. Stay hydrated. Other than that, chocolate is nice to have too. Don't let them talk you into buying a whole drugstore.

if you're at a loss even after this advice ^ (it's ok, but you gotta know what to do), call your wife and have her talk to each of your daughters individually. be there if they need to talk to you and assure them that this is a natural, totally healthy thing and that they will be ok. you got this, and doing this right is being a good father.