Welcome, Mrswong1998.
I'd no 週身關節都痛 during pregnancy but swollen leg... happened when I was in the last 2-3 weeks... the method I use was to place the legs higher abit...
but after delivery, my 手腕 are very pain lei?! doctor said it's due to the high level of hormone inside my body an dmakes the ligament and tendon before much softer than before...