ok well i am 19 years old and me and my fiance have been trying to have a baby. i dont get my next period in like 4 days. i have had clear sticky discharge and alot of it. my breasts have been getting bigger and the veins around my nipples are showing alot more. and ive just now got lower back pain. ive asked friends that were pregnant and they've told me to take a test. just want more advice. thanks.