The uterus is being prepared to accept a fertilized egg, should it occur during this cycle. What happens to the level of estrogen produced by the corpus luteum?
1) The level of estrogen produced by the corpus luteum decreases to a steady level for the next few days.
2) The level of estrogen produced by the corpus luteum remains the same.
3) The level of estrogen produced by the corpus luteum increases to a steady level for the next few days.
4) The level of estrogen produced by the corpus luteum decreases.
