Pregnancy 1 month after salpingo oophorectomy

Heydie

So I recently found out I am currently 4 weeks pregnant. However I recently had surgery on March 12 to remove a benign 10 cm mass on my left ovary. So the left ovary and tube was removed. Come April I had my period and afterwards became pregnant! Is there anyone that had a healthy pregnancy after a major abdominal surgery (they open you up completely). I'm a bit worried. Thanks in advance!