#oral_contraceptive_pill__pill__birth_control_pill__birthcontrolpill__contraceptive_pill__contraceptivepill__oral_contraceptive__anovulatory_drug__anovulatorydrug  a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
  supertype:  contraceptive_device__contraceptivedevice__contraceptive__preventive__preventative__prophylactic_device__birth_control_device__birthcontroldevice  an agent or device intended to prevent conception
  substance:  progesterone
  subtype:  Demulen  trade name for an oral contraceptive
  subtype:  Enovid  trade name for an oral contraceptive containing mestranol and norethynodrel
  subtype:  Loestrin  trade name for an oral contraceptive containing estradiol and norethindrone
  subtype:  Lo/Ovral  trade name for an oral contraceptive containing estradiol and norgestrel
  subtype:  Micronor  trade name for and oral contraceptive containing the progestin compound norethindrone
  subtype:  Modicon  trade name for an oral contraceptive containing estradiol and norethindrone
  subtype:  Norinyl  trade name for an oral contraceptive containing norethindrone and mestranol
  subtype:  Norlestrin  trade name for an oral contraceptive containing estradiol and norethindrone
  subtype:  Nor-Q-D  trade name for an oral contraceptive containing norethindrone
  subtype:  Ovocon  trade name for an oral contraceptive containing estradiol and norethindrone
  subtype:  Ovral  trade name for an oral contraceptive containing estradiol and norgestrel
  subtype:  Ovrette  trade name for an oral contraceptive containing norgestrel
  subtype:  Ovulen  trade name for an oral contraceptive containing mestranol and a progestin compound

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