I am 25 week pregnant, I had scan in 24 week 4days and my left uterine PI is increased(1.7).Also my baby's abdominal circumference/diameter is 1 week behind than expected.Doctor said she has no idea why there is increase in my left uterine.Please let me know how serious is this for my baby and me, what could be the reason behind this and how it can be cured.My doctor has added on medicine named Argpreg, saying it may help.Please help.