title: Berlex introduces new 20 mcg birth control pill.
mesh_terms: D000569:Americas; D003257:Consumer Product Safety; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D019049:Developed Countries; D004997:Ethinyl Estradiol; D005193:Family Planning Services; D007878:Legislation as Topic; D016912:Levonorgestrel; D009656:North America; D014481:United States
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D004997:Ethinyl Estradiol; D016912:Levonorgestrel
keywords: Americas; Contraception; Contraceptive Agents; Contraceptive Agents, Estrogen; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Methods; Developed Countries; Ethinyl Estradiol; Family Planning; Legislation; Levonorgestrel; North America; Northern America; Oral Contraceptives; Oral Contraceptives, Combined; Oral Contraceptives, Low-dose; Product Approval; United States