Hi Expecting#2,
Although it is believed that most thal minors have normal pregnancies, some can have very serious complications, as our member, Courtenay, has experienced. It is best to be prepared and make sure the doctors are prepared for any eventuality. Blood transfusions are occasionally required late in the pregnancy or during delivery and the doctors should be prepared for this.
There is not much information on a connection between thal minor and preeclampsia but I did find one study on Thrombophilia and thalassemia minor at
http://www.pulsmedia.ro/article--Clinic-Congenital_thrombophilia_and_minor_thalassemia_in_pregnancy--4790.htmlThrombophilia, also known as the hypercoagulable state, refers to blood clotting disorders, which are often associated with thal. Thrombophilia can cause preeclampsia and if a prior history of preeclampsia exists, it is recommended that the woman be assessed for thrombophilia.
Thrombophilia is responsible for spontaneous abortion and during pregnancy for preeclampsia, intrauterine growth retardation, uteroplacentar apoplexy (abruptio placentae), intrauterine demise, premature birth and venous or arterial thrombosis. Women with presented conditions in medical history should be assessed for thrombophilia.
This should be discussed with your doctor. Low dose aspirin is often the treatment if thrombophilia is suspected. The excess hemolysis (breakdown of red blood cells) that sometimes occurs during the pregnancies of thal minors can be a contributing factor to the clotting disorders. This hypercoagulable state may also be responsible for the problems with the placenta. This is a known problem is some thal minor pregnancies and is a common cause of miscarriage among minors, and should be investigated if suspected.
There may be a reason you did not have high blood pressure at first with HELLP syndrome. It is known that thal minor provides some protection against hypertension, so this may cause some equalizing effect on the high blood pressure. When the HELLP became severe, the BP finally tested high, but a problem may have been growing all along unnoticed because of reliance on BP as the measure of HELLP syndrome. It might be advised to look more for the other symptoms of HELLP syndrome in this pregnancy and not rely solely on BP to determine its seriousness.
Because you are thal minor, your doctor should order iron studies before prescribing iron. Many women do become iron deficient during pregnancy, but blood counts alone will not determine iron deficiency in thal minors. Excess iron can be harmful and should be avoided if possible.
Best wishes during your pregnancy.