The genotype of the mother and the fetus influences the efficacy of a teratogen. For example, genotype determines the prevalence of cleft palate in inbred strains of mice whose mothers are administered cortisol during pregnancy.
Most women will not start ovulating in the first six weeks after giving birth.1 Breastfeeding typically delays the onset of ovulation.2 Depending on the intensity of breastfeeding, it can be several months or over a year before you regain your fertility.
I would imagine.... that when you thought you had your period.... its was actually lochia(post pregnancy bleeding).... which may come and go again several times within the first 3 months after having a baby. Are you breastfeeding....this can stop your period for several months and up to over a year.hich may come and go again several times within the first 3 months after having a baby. Are you breastfeeding.... this can stop your period for several months and up to over a year.