Never happened before

So just want to double check if others have had the same as its new for me.... last night around 1am I started having intense pressure that was very regular with tightening. I laid there for around half an hour and had about 6 episodes in that time. I then felt the need to poo and went to the toilet. To my astonishment I had a major bout of diarrhoea but felt instant relief afterwards.... I washed my hands and looked in the mirror and baby boy was hanging very low so thought he had dropped from me going to the toilet. Laid back down and the pressure vanished almost straight away. Anyone else had pressure like contractions from needing to poo before??? I’m 32 + 3 atm