You have all the signs. With my second child it didn't show on a pee test weirdly enough the blood test was what came back positive. Now as for telling your mom, There's no easy way to tell her, just do it. I'm a mother myself and I have a 10 year old daughter and an 8 year old son. I'm not going to sit here and tell you that she won't be hurt. She will only be hurt because you're her baby girl and she probably had high hopes and dreams for you. Nonetheless, I'm confident she will be there for you. Don't get mad at her if she gets upset and yells it's our natural reaction she will eventually get over it that's what we do
Sounds like pregnancy symptoms but also period symptoms are the same. You could be changing cycle, but if you do come out pregnant then just be honest with your mom. She may yell, be disappointed, etc but you have to expect that and prepare yourself for it. It would be best if you tell her alone. Never know she may be a little happy, but either way if you decide to keep the baby she will eventually get use to the idea of being a young grandma. and if your not pregnant, use protection or stop having sex. 9 times out of 10 the girls get stuck being a single mom. Im just being realistic and honest. Wish you luck baby girl.
Your monthly might be changing... That's what mine does lik once a year
Your symptoms might be bc your monthly... Those are still the symptoms of a period. But just incase take the test again in a couple days it's better to take the test before your monthly supposed to start and/or after its supposed to end.