Chela- Preg Trimester 2 Combo Pack. Chela-Preg Pre-Natal Trimester 2 Morning Tablets and Evening Capsules is indicated to support foetal and maternal health during the second trimester of pregnancy (14-26 weeks). It supplies 26 micronutrients including extra DHA-omega 3 for central nervous sytem and eye development. Higher calcium supports skeletal development. Vitamin E, and extra vitamin C, choline and zinc supports pregnancy health and improves safer pregnancy outcomes. Additonal iron supports increased maternal red blood cells and foetal metabolic demands.