Large clotting during period - GRAPHIC PIC - this hasn't happened before and I'm freakin' out! Advice please!

Miranda • We are just making the right steps for a wonderful life!
The last three months- Jan/Feb/March- my periods are starting earlier, lasting longer, heavier and I'm having  large blood clots! 
​I'm starting to freak out a bit! I'm pretty sure this is NOT normal - has anyone been through this?!? Words of advice? Besides trying yo his it my doc ASAP?!?