My health feels like its failing me 😓 17 weeks pregnant

Since 4 weeks pregnant, my hair has been falling out like crazy, had my thyroid checked and it was normal. Had my prenatal blood work done and saw that my white blood cell count was on flagged as high, but my OB said she wasn’t concerned and that was normal in pregnancy, although I never had it with my other two . A month ago my neck lymph nodes swelled up on one side, then I found out I had covid and battled that for three weeks. As I was recovering from covid I get a terrible middle ear infection (never had one before) and currently still dealing with it 2weeks later and on my second round of antibiotics . A couple days ago I woke up and noticed my armpit was swollen and painful, it seems to be a little better but now my other armpit hurts as well. It feels like a can’t catch a break and even enjoy my pregnancy, it seems all these weird health problems keep happening. I bring them up to my OB and she’s not concerned just says it’s normal . My other pregnancies were nothing like this, it makes me feel like something more serious is going on. I’m a worrier and now all I can think is somethings off with my body. Could it be cancer? I ask myself at night. I just feel so overwhelmed and wonder what I’m doing wrong? Why is my body reacting like this? 😓😓😓 should I maybe get a second opinion ?