Yes. Hormones are what regulates the menstrual cycle.
There are two hormones that are responsible for the regulation of the menstrual cycle. They are called estrogen and progesterone.
Progesterone looks to be more important for menstruation. You need fairly large dose of oestrogen in absence of the progesterone to maintain the menstrual cycle.
Estrogens and Progesterone in the ovaries"with a bit of wit"
luteinizing hormone
Estrogen.
testosterone
An activin is a peptide which participates in the regulation of the menstrual cycle.
progesterone
oestrogen and progesterone
Progesterone
i believe its Luteninizing hormone :) hope that helps
Estrogens and Progesterone in the Ovaries