Tests and diagnosis. Your doctor will likely suspect factor V Leiden if you've had one or more episodes of thrombosis or pregnancy loss or if you have a strong family history of thrombotic disease. Your doctor can confirm that you have factor V Leiden with a blood test.
For the best roast Medium leg of lamb cook for 25mins per 450g, +25 mins. Do 5mins less/450g for rare.1.4kg = 1hr 40 mins or 1hr 25 mins for rare.or the best roast Medium leg of lamb cook for 25mins per 450g, +25 mins. Do 5mins less/450g for rare.
The following tips for roasting leg of lamb are based on a 4-pound leg of lamb, well-trimmed, boned, rolled, and tied. For a bone-in leg of lamb, add 5 minutes per pound to roasting time.1  Preheat oven to 400 Â° F. Combine ingredients for seasoning rub, as desired. 2  Rub mixture over surface of lamb. 3  At this point lamb may be covered and refrigerated up to 24 hours before roasting.or a bone-in leg of lamb, add 5 minutes per pound to roasting time. 1  Preheat oven to 400 Â° F. Combine ingredients for seasoning rub, as desired.