Evaluation of the Goldcrest Patch Performance

Inclusion Criteria for all Subjects: * Adult Females, 22 to 70 years of age. * Must be able to read and speak English. * Able and willing to provide written informed consent. Inclusion criteria that apply to the pregnant person arm only: \- Pregnancy of greater than or equal to 32.0 weeks gestation per self-report. Exclusion Criteria: * Skin irregularities or other characteristic (such as scars, moles) on abdominal area that could interfere with completion of study procedures or identify a subject; * Subjects who have implantable devices such as Transcutaneous Electrical Nerve Stimulation (TENS) machines, Cardiac Pacemakers or Cardiac Defibrillators * Subjects expected to be at risk from participation for any reason, such as those with known allergy or sensitivity to adhesive materials that may be used in the study, such as silicone; * Subjects over the age of 70; * Unable to read or speak English language * Direct employees or contractors of GE HealthCare, or any company that makes fetal monitoring devices. Exclusion criteria that apply to specific arms only: * Non-Pregnant Arm: Subjects who are currently pregnant, or unsure of pregnancy status per self-report; * Pregnant Arm: Multiple gestation pregnancy or those self-reported to have been diagnosed as high risk by a provider (e.g., pre-eclampsia, gestational hypertension, being followed by a perinatologist).