Whenever an egg is ovulated, the endometrial lining prepares for possible implantation of the fertilized egg. To prepare for potential pregnancy, the __________ releases __________.

At which stage in the menstrual cycle does the proliferative phase occur?

What is the function of the luteinizing hormone (LH)?

At which stage in the menstrual cycle does the secretory phase occur?

Which statement is true about menstruation?

Which hormone is the corpus luteum responsible for producing?

Where are luteinizing hormone (LH) and follicle-stimulating hormone (FSH) produced?

Which is a function of progesterone?

What is the path that blood travels during menstruation?

How many days are in an average menstrual cycle?