Hormones and the Menstrual Cycle

Flashcards covering key concepts related to hormones, the menstrual cycle, and conception.

What is the average duration of the menstrual cycle?

28 days, but it can vary between 21-35 days.

What happens to the menstrual cycle during pregnancy?

It stops and does not start again until a few months after birth.

What stage marks the end of a woman's ability to conceive?

Menopause, which typically occurs between the ages of 45-55.

What are some factors that may cause periods to stop?

Stress, illness, being underweight or overweight, over-exercising, and pregnancy.

What is family planning?

Taking actions so that only wanted babies are born.

Name a benefit of planning a family.

It allows time to organize the home and consider childcare options.

What is the role of progesterone during pregnancy?

It helps prepare the womb to receive a fertilized egg and maintain pregnancy.

What hormone stimulates the uterus to contract during childbirth?

Oxytocin.

What hormone is responsible for milk production?

Prolactin.

Describe the process of conception.

1) Penis enters vagina and ejaculates sperm. 2) Sperm travels through cervix to fallopian tube. 3) Egg is released by ovary. 4) Egg and sperm meet in the fallopian tube. 5) Fertilized egg travels to uterus and embeds in lining.