What is the main cause for Subconjunctival Hemorrhaging in children?

What mineral or chemical or environmental condition can be the cause of Heart Holes in New Born Children?

• Heart Holes in new born children seems to be very high and alleviated a certain locale in North America, I was considering the possibility of maybe a local higher concentration of a mineral, salt in the water, air or a possibility an environmental cause that could be causing all these children to be born with holes in their hearts which leads to major cardiac complications in this populated location. Maybe a simple environmental fix or supplement during pregnancy can fix this plaguing complication in our precious little ones. Your knowledge, wisdom and perspective into the matter is much appreciated and you are graciously thanked in advance. High Regards!

• Answer:

  Well, if the hole was pathological it may be linked to environmental or chemical. But if the hole that you are talking is the normal physiologic one. It is normal and it's there as normal mechanism for the baby to survive before being born. For the chemicals it self, you may look more of terratogenic chemical or any researches at your area.