Some people go through years of fertility treatments and procedures and others just have spontaneous twins or triplets. It’s slightly less than 1 in a 9,000 chance to have spontaneous triplets. Please note that the preferred term for conceiving triplets without any fertility assistance is “spontaneous” -while some people say “natural” triplets, the term natural is incorrect. read more
Triplets can also occur when there is a set of identical (or monozygotic) twins conceived + another egg is released which is then fertilised by another sperm. One very cute term which is used to describe the most common form of spontaneously conceived triplets – identical twins + a fraternal sibling is “A pair and a spare”. read more