Health and Fitness Risk of Serious Blood Clots Extends to 12 Weeks After Childbirth by Gary Kopycinski on February 20, 2014 Gary Kopycinski Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 Researchers Find Risk Lasts Twice as Long as Previously Thought