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.
Place the lamb in the oven. For cooking time allow 30 minutes per 500g. Cover the lamb with foil after 20 minutes to avoid it becoming too brown, then uncover for the final 20 minutes of cooking. Top up the water a little as the lamb cooks to avoid the lamb drying out.