Explanation:

- Ovaries: These are part of the female reproductive system. They produce eggs (ova) and secrete hormones like estrogen and progesterone.

- Oviducts: Also known as fallopian tubes, these carry eggs from the ovaries to the uterus. They are also part of the female reproductive system.

- Cervix: This is the lower, narrow part of the uterus that opens into the vagina. It is another female reproductive organ.

- Stamen: This option is not a human female reproductive organ. In fact, it is part of a flower and is involved in the male reproductive process in plants.

- Correct Answer: Stamen is not a female reproductive organ in humans.