Clinical Characteristics and Risk Factors Associated With Adverse Pregnancy Outcomes in Patients With Gestational Hypothyroidism: A Case-Control Study.

Objective: To synthesize evidence, summarize the clinical features of patients diagnosed with gestational hypothyroidism (GH), and analyze the risk factors associated with adverse pregnancy outcomes.

Methods: From February 2021 to March 2023, a case-control study was conducted on 298 hospitalized patients with GH and 312 pregnant women without GH who underwent physical examinations. The 312 pregnant women without GH were randomly selected during the same time period.