hi joanna, yes i'm having same problem as you but not as bad till i feel the pain. i only feel the pain when i poo due to the abrasion and it bleeds! i never had problem of constipation in the past, and when i was in my first trimester, i was in fact having diarrhoea constantly. but after i took the supplements (iron & calcium), i have problems relieving my bowels dr says that it's normal, and also told me to drink more water and eat more fruits.
i can feel a small bump at my anal area and i'm sure that's the piles.. but it doesnt hurt unless i poo.. and actually if you surf online, there are home remedies available. you can try those methods! i have been eating fruits daily, drinking fruit juices and everynight before i sleep, i'll drink a cup of fresh milk + 1 bottle of vitagen and i see that my condition is improving.