Twin pregnancy: What is important now
Probability of having twins, triplets & Co. According to a statistical rule (according to Helling), one birth of twins occurs for every 85 births of singles (1: 85). For triplets, the probability decreases to 1:7,255 and for quadruplets to about 1:614,000. How to have twins? Many couples often want more than one child at a … Twin pregnancy: What is important now
