I think thats just part of the inherent bias towards the treatment of people with obesity
It also supports the health of the placental tissue itself, which is vital for delivering nutrients and oxygen to the baby

Contact your GP or healthcare provider if you experience: Severe or worsening joint pain that interferes with daily activities or does not improve with simple measures Joint swelling, redness, or warmth , which may indicate inflammation or infection Sudden onset of intense pain in a single joint, particularly if accompanied by fever (may require same-day assessment to exclude septic arthritis or gout) Joint pain associated with systemic symptoms such as unexplained fever, weight loss (beyond expected treatment effects), rash, or general malaise Persistent pain lasting more than two weeks despite self-care measures Joint stiffness lasting more than 30 minutes after waking , which may suggest inflammatory arthritis Reduced range of motion or inability to bear weight on affected joints Seek urgent medical attention (contact 111 or attend A&E) if: Joint pain is accompanied by severe abdominal pain, persistent vomiting, or signs of pancreatitis (if pancreatitis is suspected, stop your GLP-1 medication immediately

Anxiety can deepen the same loop, since excessive worry often brings muscle tension, restlessness, and trouble concentrating, symptoms detailed by the Mayo Clinic in its guide to generalized anxiety disorder
Mei et al., 2017)
A non-sanitized rubber stopper may harbor environmental microorganisms