Abbreviations
VTE: Venous thromboembolism; DVT: Deep venous thrombosis; PE: Pulmonary
embolus; GWG: Gestational weight gain; BMI: body mass index; SD:
Standard deviations; ART: Assisted reproductive technology; IUI:
Intrauterine insemination; IVF: in-vitro fertilization; ICSI:
Intracytoplasmic sperm injection; GDM: Gestational diabetes mellitus;
PIH: Pregnancy induced hypertension; aORs: Adjusted odds ratios; Cis:
Confidence intervals; IUGR: Intrauterine growth retardation; SGA: Small
for gestational age; LGA: Large for gestational age; IQR: Interquartile
range; SAS: Statistical Analysis System; LMWH: Low-molecular-weight
heparin.