Study to Compare Maternal, Fetal, and Infant Outcomes of Women With Mild to Moderate Atopic Dermatitis Exposed to Ruxolitinib Cream During Pregnancy With an Unexposed Control Population

Inclusion Criteria: * Women, aged 15 to 50 years, with confirmed diagnosis of mild to moderate AD. * Ability to comprehend and willingness to give informed consent for the study; a legal minor needs parental or legally authorized representative's consent. * Prospective enrollment (ie, enrollment into the registry while the pregnancy is ongoing) or retrospective enrollment (ie, enrollment into the registry within 12 months of pregnancy outcome). * Information available to confirm eligibility for either the exposed to ruxolitinib cream cohort or the not exposed to ruxolitinib cream cohort. * Ruxolitinib cream cohort: consisting of pregnancies in women with AD and exposure to at least 1 application of ruxolitinib cream during the pregnancy period. * Nonexposed cohort: consisting of pregnancies in women with AD but not exposed to ruxolitinib cream during the pregnancy period * Reporter (eg, participant, maternal HCP) contact information available to allow for follow-up. * Permission to contact the participant's and her infant's HCPs. Exclusion Criteria: * If no longer pregnant and pregnancy outcome occurred more than 12 months prior to enrollment. * Current treatment or treatment within 30 days or 5 half-lives (whichever is longer) before enrollment with another investigational medication or current enrollment in another investigational drug study. * Any pregnancy that is exposed to any other JAK inhibitor from 5 half-lives for the specific JAK inhibitor used from LMP through the end of the first trimester for MCMs or end of pregnancy for other outcomes.