"Hormonal irregularities" refers to any disruptions or imbalances in the production, regulation, or functioning of hormones in our bodies. Full definition
Women are 12 times more likely to experience stress fractures than men and women with hormonal irregularities are particularly vulnerable if they have low estrogen levels. (stretching-exercises-guide.com)
This could be the result of hormonal irregularities that occur with some endocrine conditions, such as PCOS or uncontrolled thyroid or insulin - related conditions (Marasco, Marmet, & Shell, 2000). (kellymom.com)
As we continue to identify risk factors for lactation insufficiency (variations in infant oral anatomy, hypoplastic breast appearance or insufficient glandular development, high pre-pregnant body mass index, insulin resistance, other hormonal irregularities), it is extremely important that mothers, whether they believe they are «at risk» or not, identify appropriate breastfeeding support before their babies are born. (kellymom.com)