Refine your search
Availability
-
Authors
-
Topics
- Adolescent
- Adult
- Body Weight
- Clinical Trials as Topic
- Contraceptive Agents, Female
- Contraceptives, Oral, Combined
- Drug Implants
- Estradiol
- Female
- Humans
- Intrauterine Devices, Copper
- Levonorgestrel
- Norgestrel
- Pregnancy
- Time Factors
- administration & dosage
- adverse effects
- blood
- drug effects
- etiology
- Show more
- Show less
-
Languages