Uterus contracting BF

Vanessa • Married to the most wonderful & handsome man in the world! 👧🏻💞 born Oct. 23. 2016 & 👶🏽💚 born May 2. 2018 ♥️IG: DwyerBearFamily
Will you always feel your uterus contracting when breastfeeding or is that only in the beginning? My baby is turning a month old on Wednesday and I still feel tiny cramp like feelings that come and go when she is nursing on me?