Question

Secretion of which structure prepares the inner wall of uterus for implantation?

• A. Ovary
• B. Corpus luteum
• C. Pituitary gland
• D. Ovarian follicle

Answer 1

The correct option is B Corpus luteum

• The corpus luteum is the structure that develops from the ruptured Graafian follicle.
  
• It secretes progesterone that helps in maintaining the lining of the endometrium so that the uterus gets prepared for implantation.
  
• This corpus luteum is yellowish in color.
  

So, the correct answer is 'Corpus luteum'