Hey mama, that's actually pretty common at 38 weeks, baby's already so low and engaged na, kaya kapag umihi ka talaga parang may kicks o movements kasabay, and yes it can make the urge to pee feel stronger! But since you're at 3cm na at may ganoong sensations, mas better na i-check mo ito sa OB mo just to be safe para ma-rule out kung normal lang labor prep signs or if kailangan ng closer monitoring, better safe than sorry sa final stretch, diba? Wishing you an easy delivery soon, mama!