Box plots of TAT levels in high risk pregnant thrombophilic women with (closed boxes) and without (open boxes) dalteparin thromboprophylaxis at different time points during pregnancy. Day 7 represents the time after radomization in TIPPS whereas at other time points represent sepcific gestational ages. The bottom of the boxes mark the 25th percentile, the median lines mark the 50th percentile, the top of the boxes mark the 75th percentile, the bottom and top of the vertical lines mark the 5th and 95th percentile, respectively.