Is it harmful to restart breastfeed after 4 months of stopping breastfeed?

It is generally considered safe for women to restart breastfeeding after a break of 4 months or more, however, it may differ on a case-by-case basis for medical reasons that should be reviewed. Before a breastfeeding mother intends to start breastfeeding again after such a duration, it is always encouraged to discuss with appropriate professionals such as obstetricians, gynaecologists, or certified lactation consultants for personalized advice suited for mother and baby health.