Yes, after childbirth, hormone levels gradually adjust and return to normal, i.e., to the pre-pregnancy state.
Therefore, since the menstrual cycle is regulated by hormones, it is common to have irregular periods after childbirth.
Read the full article on: Menstrual periods after childbirth – when will they start again? ( 80).
Read the full article on: Ovulation after pregnancy and childbirth: when will it happen? ( 29).
Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.