Third Trimester Pains

Katie

Today has been a very strange day for me. I've had a severe headache, very quick onset abdominal pain and lower back pain. I've been having a lot of Braxton hicks lately and TMI have going poop a lot. Anyone think this might be signs of preterm labor or pre-e? Just worried because they both run in my family, and being only 19 and pregnant with twins. Thank you in advance for any advice or answers