Which hormone concentrations are high during pregnancy?

16.5.1 Describe the roles of testosterone and oestrogen in the development and regulation of secondary sexual characteristics during puberty

16.5.2 Describe the menstrual cycle in terms of changes in the ovaries and in the lining of the uterus

16.5.3 Describe the sites of production of oestrogen and progesterone in the menstrual cycle and in pregnancy

16.5.4 Explain the role of hormones in controlling the menstrual cycle and pregnancy, limited to FSH, LH, progesterone and oestrogen