Abdominal pain or cramping

Vaginal bleeding or spotting

Baby in womb either too small or too large for their gestational age

Reduced fetal movement or lack of fetal heartbeat

A uterus that is smaller or larger than expected

Amniotic fluid leakage or rupture of membranes

High blood pressure or pre-eclampsia

Weak cervix that begins to dilate prematurely

High glucose level which could indicate potential for gestational diabetes.

Uterine infection, coloured discharge, and fever in pregnancy