GAIA Level 1 Ectopic Pregnancy

**Semantic type:** Classification

**Definition:** GAIA Level 1 Ectopic Pregnancy is defined by either of the following two criteria: first, the following three requirements must be met: a) Gestational age is within the pre-defined range for the selected ectopic pregnancy definition as assessed by maternal and/or fetal parameters (Level 1-2) (Brighton Preterm Birth Gestational Age algorithm; b) B-HCG serum blood test greater than 2000 mIU/ml; c) Transvaginal ultrasound showing no intrauterine pregnancy; OR second, the following two criteria must be met: a) Gestational age is within the pre-defined range for the selected ectopic pregnancy definition as assessed by maternal and/or fetal parameters (Level 1-2) (Brighton Preterm Birth Gestational Age algorithm; b) Transvaginal ultrasound showing extrauterine pregnancy OR no products of conception found on endometrial curettage after dilation and curettage procedure.

**Synonyms:** - Global Alignment of Immunization safety Assessment in pregnancy Level 1 Ectopic Pregnancy - Level 1 Ectopic Pregnancy