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. Author manuscript; available in PMC: 2019 Feb 15.
Published in final edited form as: Neurol Clin. 2016 Mar 2;34(2):411–ix. doi: 10.1016/j.ncl.2015.11.009

Table 1.

Patterns of catamenial epilepsy

Catamenial Pattern Menstrual Cycle Days Menstrual Cycle Phase Hormonal Changes
C1 −3 to 3 Perimenstrually ↓ Progesterone
C2 10 to −13 Periovulatory ↑ Estrogen
C3 10 to 3 Inadequate luteal phase ↑ Estrogen/progesterone ratio