Advice please!

Probably the fact she had her insulin then would have presumably been very active on the trampoline, the exercise would make the insulin absorbed quicker and exercise can also lower the blood sugar so a combination of both makes for a very fast drop, I hope your daughter is feeling ok!! xx

@Salty1 . Welcome to the forum and a big welcome to your daughter.
Hypos, sometimes follow no rhyme or reason.
One possibility could be your daughters meal. It's a meal quite high in fats and time consuming for the body to breakdown and digest. If she was trampolining shortly after it's possible she was burning energy that wasn't available just yet.
Also being recently diagnosed she will still be in the honeymoon period, this poses many issues as the pancreas performs very erratically. Now your daughter is on insulin this gives the pancreas a helping hand, consequently it starts performing better on occasions, this will not last though. Maybe a year or a year and half tops.
Try not to get stressed by the hypo. There are T1's here with years of experience ( myself included) who still get caught out by unexplained hypos.
Keep posting and always ask us if you need help.

@Salty1 . One thing to get used to is the balancing act involved with diabetes.
If you know that your daughter wants to trampoline after dinner that's fine, but don't always go down the more food route. You can always reduce the insulin . This is better for maintaining weight control and managing diabetes long term. You have things to learn and you will in time. A lot is trial and error. Keep a note of what's happened today for future reference.
Enjoy the weekend

Salty1 said:

Thank you so much that’s great. What foods would you say are quicker carb releasing foods to give at a meal?

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There is a course that many T1's attend. It's called DAFNE. Dosage Adjustment For Normal Eating. The acronym explains a lot.
Basically live as normal a life as possible and control your diabetes with insulin. Probably at this moment just let your daughter eat healthy and without making exceptions to avoid hypos.

Hi, @salty , @Kaylz and @therower have made good points which are sometimes overlooked by newly dx'd and, dare I say it, by health care professionals too.

T1 is all about balancing blood sugar. Many think it's just about looking at the carbs in the meal, call it as X grams, then say my dsn says Y units of insulin will cover that. Those two components are important, but just looking at those two alone miss out the other big, important, one: exercise.

Insulin lowers bg by providing a pathway which lets glucose go into cells to be used as energy. Starts out by us eating carbs, gets broken down into glucose, goes into the bloodstream, gets distributed around the body into smaller capillaries and arterioles, seeps out from them into the interstitial fluid between cells, then insulin lets the cells suck it up to be burned as energy to keep them going.

But, and this is a big but, if you're exercising, that also provides a pathway to let cells to use glucose as energy. There's things called glut4 - glucose transporters 4 - in cells which get a lot more active when exercising. They invite glucose into cells because they know the cells just want more energy to deal with the exercise.

And that'll lead to bg dropping. If it happens when there's a lot of active insulin on board, it'll lead to a double-whammy of insulin and glut4 dropping levels hard.

That's why, when we're trying to balance things, we'll look at not only the carbs and insulin, but also exercise.

In practical terms, what it means is that when I'm going to be having a meal, I'll be thinking about not only the amount of carbs in it, but also what I'm planning on doing in the next 6 hours or so.

If I'm going to just be sitting in front of the telly, then it'll be X units, but if I'm going to be trampolining (something I've not done since me and my cousins were kids!), I'd be raking a few units off, because I know that the glut4 coming into play from the trampolining will knock it down anyway on its own and I don't want that doubling up with an insulin shot based on a telly viewing evening.

Takes a bit of time to learn this, and we never get this right all the time, but main point I'm trying to make is don't just look at an insulin injection as an isolated one-off thing like taking a pill: it operates over time, generally about 4 to 6 hours, and has a relationship to everything else, like exercise, which happens in that window.

It has a "shape", or "pattern", over time which is well worth learning if you want to let the wee one make the most of it.

Which I'm sure she'll do. This is a terrifying condition to start with, I'm not going to pretend it's going to be a walk in the park, but it's amazing how soon people figure out practical ways of dealing with it.

Salty1 said:

Many thanks for your reply it makes total sense to me what you’re saying but at the moment we are on fixed doses of insulin as this is all new to us . It is a steep learning curve for us all as a family and in time we will get there . We are starting the carb counting next week so more challenges ahead but hopefully our girl will then be getting the correct amount of insulin for her meals as at the moment we don’t think she is .

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Yeah, fixed doses can be quite restrictive but they make sense in the early days, just from the point of view of reducing the variables involved and gives the docs a clearer idea of responses.

Once you get into carb counting and dose adjustment, there's a surprising amount of flexibility with it.

One of my worries at the start, coming to it new at a time when there was no internet, was the notion that I'd just be eating a "special diabetic diet", but it proved not to be the case.

Sure, I'll make adjustments, like having salted popcorn instead of sweet popcorn if I go to the movies, and I'll think twice before getting a bag of chips on the way home after a night out, but, with a bit of practice and experience, it's possible to walk into any restuarant on the planet and confidently eat pretty much anything on the menu. Even a sweet dessert isn't out of the question. I've not got a particularly sweet tooth, but I'm quite partial to eclairs and dark chocolate cheesecake. Those really aren't too much of a problem, because, although they have sugar in them, they're coming at the end of a meal, so the more complex carbs, fats and proteins from the first two courses, and the fat in the dessert itself will buffer the absorption rate so that nothing particularly dramatic will happen.

Might be worthwhile getting a hold of the book Think Like a Pancreas by Gary Scheiner.

Also ask the dsn whether the area prescribes libre, or consider buying it if they don't, unfortunately it's £100 per month, but many of us have found it life changing - we can see levels moving around in more or less real time and make small adjustments before going out of range.