Warning: This story discusses suicide and depression A depressed woman whose baby died was denied help from Perinatal Mental Health Services - and other mothers in extreme distress say they can't get treatment via their DHBs or ACC. When suicide remains New Zealand's biggest killer of pregnant women and new mothers, why can't mums get help? Photo: RNZ/Vinay Ranchhod It is when Sarah* is thinking of killing herself that a Maternal Mental Health Service finally agrees to help her. Despite a history of depression, a difficult pregnancy and a seriously sick baby, mental health services had twice refused to treat her, despite referrals from her midwife and doctor.