PBS4 年
How the Pill Works
The releasing hormone signals the pituitary gland to release FSH (follicle stimulating hormone) and LH (luteinizing hormone). FSH and LH travel from the pituitary gland to the ovaries via the ...
BBC1 年
Coordination and control - the endocrine system - OCR Gateway
The following diagram illustrates the menstrual cycle ... Progesterone inhibits FSH and LH and so remains high during pregnancy. Days 1 to 12 – oestrogen gradually increases and peaks ...
PBS6 年
How the Pill Works
The releasing hormone signals the pituitary gland to release FSH (follicle stimulating hormone) and LH (luteinizing hormone). FSH and LH travel from the pituitary gland to the ovaries via the ...