PL	Pregnancy Loss
RPL	Recurrent Pregnancy Loss
ESHRE	European Society of Human Reproduction and Embryology
ASRM	American Society for Reproductive Medicine
RCOG	Royal College of Obstetricians and Gynecologists
VTE	Venous thromboembolism
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-analyses
Het	Heterozygosity Hom Homozygosity
NOS	Newcastle Ottawa scale
OR	Odds Ratio
CI	Confidence interval
MeSH	Medical Subject Headings
BMI	Body mass index