Sis, yan ang Braxton Hicks contractions, super normal yan sa 32 weeks, laging may tightening at pressure down there kaya parang nasakit, pero hindi pa labor pang. Marami sa amin nag-experience nito and grabe ang takot din, pero usually goes away after a few minutes or after rest; pero please check with your OB para ma-confirm at ma-ease ang mind mo, lalo na if may bleeding or consistent cramping na talaga. Drink lots of water, rest more, and don't hesitate to call your doctor kung feeling mo something's off, better safe than sorry pag ganito, mamsh!