Answer
Active tablets contain the contraceptive hormones. Placebos contain no contraceptive hormones and help maintain the pack sequence. Not every product includes placebos.
Sources for this answer
- Ovranette 150/30 micrograms Coated Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Microgynon 30 ED — Current selected SmPCemc · Summary of Product Characteristics