This may be due to any stress or anxiety that you are dealing with. If you visit your local GP and ask for desmomelt; this is just a small dissolving tablet that you take before you go to bed at night time and this prevents the bed wetting.
There’s nothing there to be embarrassed about. You can start by booking a phone appointment with your GP if you are too embarrassed to face them. Hopefully you won’t be embarrassed after that and you can get the help you need.
As someone who was pregnant at 15 you might be doing it in your sleep and not realising it but trust me hun x please speak to your Midwife even if your afraid they’ve seen so many things that they haven’t seen before x trust me trust them trust your midwife and your doctor please x