Hard second pregnancy

Anyone else have an easy first pregnancy and then have a hard second pregnancy. It is a complete 180. I didn't have any symptoms with my son. I actually didn't even know until 9 weeks (I have irregular periods) this one I am feeling so terrible, spotting, and I swear having every symptom! Haha I hate to complain because we tried really hard to conceive this baby! We had to use fertility treatments so I am so thrilled to even be pregnant! I am hoping it means different gender :)