3d image of lynestrenol phenylpropionate skeletal formula

lynestrenol phenylpropionate lpp ethynylestrenol progestin progestogen ester progestogen-only injectable contraceptive progestogen intramuscular injection endometrium rendering contraception birth control hormonal oral contraceptives mother gynecology obstetrics woman motherhood birth fertility fertility medicine reproduction reproductive female sex hormone menopausal hormone therapy gynecological conditions pregnancy art assisted reproductive technology infertility hormonal replacement function action endocrine endocrinology level prohormone analogue