title: Prospective experience with a levonorgestrel implant--Norplant.
mesh_terms: D000367:Age Factors; D000568:Amenorrhea; D000569:Americas; D000886:Anthropometry; D001519:Behavior; D001695:Biology; D001835:Body Weight; D003105:Colombia; D003267:Contraception; D003268:Contraception Behavior; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D003933:Diagnosis; D004194:Disease; D004412:Dysmenorrhea; D004522:Educational Status; D004703:Endocrine System; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005298:Fertility; D006261:Headache; D006470:Hemorrhage; D006728:Hormones; D015994:Incidence; D007843:Latin America; D016912:Levonorgestrel; D008597:Menstrual Cycle; D008598:Menstruation; D008599:Menstruation Disturbances; D009461:Neurologic Manifestations; D010298:Parity; D010342:Patient Acceptance of Health Care; D010827:Physiology; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012098:Reproduction; D012102:Reproductive Control Agents; D012106:Research; D012107:Research Design; D012725:Sexual Behavior; D012816:Signs and Symptoms; D013020:South America; D013223:Statistics as Topic
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D006728:Hormones; D012102:Reproductive Control Agents; D016912:Levonorgestrel
keywords: Age Factors; Amenorrhea; Americas; Anthropometry; Behavior; Biology; Bleeding; Body Weight; Clinical Research; Colombia; Contraception; Contraception Termination; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin--administraction and dosage; Contraceptive Agents--administraction and dosage; Contraceptive Effectiveness; Contraceptive Implants--complications; Contraceptive Methods--complications; Contraceptive Usage; Data Analysis; Demographic Factors; Developed Countries; Developing Countries; Diseases; Dysmenorrhea; Educational Status; Endocrine System; Evaluation; Examinations And Diagnoses; Family Planning; Fertility; Headache; Hormones; Incidence; Latin America; Levonorgestrel--administraction and dosage; Measurement; Menstrual Cycle; Menstruation; Menstruation Disorders; Method Acceptability; Neurologic Effects; Parity; Physiology; Population; Population Characteristics; Population Dynamics; Qualitative Evaluation; Reproduction; Reproductive Behavior; Reproductive Control Agents; Research Methodology; Signs And Symptoms; South America; Use-effectiveness