Ttc no luck :( anyone here i can talk too i just want to give up

So i have had 3 pregnancies total 1 was my first had no problems at all he is a big 3 year old now ! the last 2 were miscairges months apart , im ttc again and been 4 months with no luck at all im starting to give up ever since my miscariges iv had wierd pains lower abdomen that go to my uterus and back to my anus kinda feeling not sure how to explain my periods are normal sometimes theyll be off but normal cycle days … not sure what it could be i dont have the money to go to a obgyn …… 💔