Question

how do ectopic pregnancies occur? multiple choice a fertilized egg implants outside of the uterus. the fetus becomes too large to deliver vaginally in the third trimester. the size of the fetus does not match the gestational age. a chromosomal abnormality is found.

Explanation:

An ectopic pregnancy is defined as the implantation of a fertilized egg outside the uterus (most commonly in the fallopian tube). The other options describe unrelated conditions: large fetus for vaginal delivery (macrosomia), size- gestational age mismatch (e.g., intrauterine growth restriction), and chromosomal abnormalities (e.g., Down syndrome).

Answer:

A fertilized egg implants outside of the uterus.