Tired legs early pregnancy

Angenette • 34 year old mother of four beautiful little girls ages 14 and 13 and 7 and 5 year currently pregnant with my 5th wish me and my husband luck we been outdaughtered lol

5 weeks and 3 days and my legs been very heavy like they Exhausted I’m on my feet eight hours a day doing environmental service at the hospital I wonder if that’s the case