Ok. As someone who is an aspiring Doctor and has a few Dermatologists in my family, I know all about hair loss. First thing's first, the chances of you having male pattern baldness before the ages of about 19ish is about 0% to 0.0000000000001%. This is because Male Patterned Baldness, even in the worst of the worst, and extremely very rare cases hits no earlier than right after puberty has settled. Do not listen to these people. Most of them that are members of this forum/website do not really know what they are talking about at all. And I have noticed that there is a some type of social stigma on this entire website that pushes members to convince other concerned members who post threads into thinking that they are losing their hair, when they are really not. Here are a few things you should know.
1) there are about 100 things that lead to hair loss such as poor diet, dry hair, scalp calcification, and stress. All of these things can be completely reversed. male pattern baldness, especially before the ages of about 35-40 is the is one of the less likely of causes.
2) Already thin hair, especially at your age does NOT indicate that you are losing your hair, or that you will ever lose your hair. You can have the thickest head of hair in the world and still go bald by the age of 20, or you can cave the thinnest hair in the world and die at age 99 with a full and luscious head of hair. There is zero correlation between hair thickness/fullness and going bald. Only other factors, especially genetics will determine whether or not you will go bald sometime in the distant future.
3) Everyone's hairline is different. The front of your hairline look's exactly like one of my very good friend's hairline. And he's had the exact same hairline since I could remember. He is over 30 now and has a beautiful set of hair. His hair is also very thin, and always has been thin. Your sides look exactly like how anyone's sides, male or female would look if their hair was longer and pulled towards the back or in a pony tail. Just look up pictures of male celebrities with ponytails. The side of most people's hair around the temple area are just naturally thinner.
4) Just because You can see your scalp at the front and side does not mean you should freak out. Some people's hair are naturally thinner at the front, which makes the scalp more visible.
5) when you become an adult, you should never worry if your hair is thin, you should only ever worry if your hair is getting Thinner. Like I said, Many people just have naturally very thin hair. That does not mean they are going bald, or will ever go bald.
6) You lose about 100-150 strands of hair per day. Most of that amount will fall as you take your daily shower. So do not freak out about finding strands of hair on your hand while your washing you hair. That is completely normal and expected. On top of that, if you take showers less frequently, like every other day, or once per 3 days, then you will notice wayy more hair falling out due to all of that build-up.
7) Just a heads up, when you get older, somewhere between the ages of 18-30, your hair will most likely recede anywhere between 1-2 centimeters. This is called a "maturing hairline" and that happens to every guy. It does not mean you are going bald, or have male pattern baldness, it just means you're losing your baby hair, and your "Adult" hairline is starting to show. You should only get concerned if your hairline recedes back more than that, though. Also, do not worry about any thin and/or short strands of hair along you hairline. That is also part of the baby hair that you have. It will eventually go away as you get older,
8) When you are much older, the only way to know for sure that your hair is receding or thinning permanently is if you go and consult a dermatologist or hair loss specialist. They will run blood-tests and do a scalp Biopsy to tell you. Do not come here asking these people for advice, because sadly, most people in this forum do not really know what they are talking about.
9) DO NOT come visit this website until at least another 5 years. This forum is not for people as young as you because you should not be worrying about hereditary hairloss, especially male-pattern baldness at your age or anywhere near your age. BECAUSE YOU CANNOT GET IT THIS YOUNG.
10) If your hair is actually getting thinner right now, then go see a Dermatologist right away. Because it is not male pattern baldness, but most likely some other condition like a thyroid problem, bad nutrition, or environmental reasons. All of these things can be reversed if you get it treated and the hair-loss caused by it will 100% grow back!!
I Hope this helped. If you have any other questions, comments, or concerns, feel free to let me know. Good luck, and don't worry!!!