The nurse is assessing a client who has recently become pregnant. What hormone activity is most likely to maintain the pregnancy until birth of the fetus?
a.High levels of estrogen for the first trimester, gradually declining throughout pregnancy
b.Temporary cessation of gonadotropin-releasing hormone (GnRH)
c.High levels of luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
d.High levels of estrogen and progesterone throughout pregnancy
