Tips to help prevent & reduce Pregnancy & Postnatal Wrist pain. De Quervain’s tenosynovitis is an overuse syndrome common to new mums. The pain is thought to be brought on through overuse, swelling, and hormonal changes such as ligament laxity or loose ligaments. The overuse factor comes from holding babies a lot, with your wrist in positions you’re not used to, for example, while breastfeeding or when holding your mobile phone for hours throughout the day and night. CLick to watch and learn