Oestrogen and progesterone

	Oestrogen	Progesterone
Source	Ovaries (oestradiol), placenta (estriol), blood (via aromatase)	Corpus luteum, placenta, adrenal cortex
Functions	• Proliferation of endometrium • Promotes development of genitalia • Promotes growth of follicle • Causes LH surge • Responsible for female fat distribution • Increases hepatic synthesis of transport proteins • Upregulates oestrogen, progesterone and LH receptors • Increases TBG levels	• Maintenance of endometrium and pregnancy • Thickens cervical mucous • Decreases myometrial excitability • Increases body temperature • Responsible for spiral artery development

Wikipedia