PSYC 3480 Chapter Notes - Chapter 4: Premenstrual Syndrome, Luteinizing Hormone, Menarche

• School: York University
• Department: Psychology
• Course: PSYC 3480
• Professor: Noreen Stuckless

Document Summary

1: during puberty, a young girl experiences the physical changes that lead to sexual maturity. In contrast, adolescence refers to the psychological changes that occur during puberty; adolescence is the transition phase between childhood and adulthood: for females, the major biological milestone of puberty is menarche, or the beginning of menstruation. These characteristics include breast development and pubic hair: during puberty, young women also accumulate body fat through the hips and thighs. The pituitary gland produces two important hormones: follicle-stimulating hormone and luteinizing hormone. In all, four hormones contribute to the menstrual cycle: 1. Follicle-stimulating hormone acts on the follicles (or egg holders) within the ovaries, making them produce estrogen and progesterone: 2. Luteinizing hormone is necessary for the development of an ovum (or egg: 3. Estrogen, primarily produced by the ovaries, stimulates the development of the endometrium, which is the lining of the uterus: 4. Progesterone, also primarily produced by the ovaries, regulates the sys- tem.