My wife age is 31,we got married on last August 2013, now my wife got pregnant, her Lmp is 9/3/2014, We consult our gynocologist doctor,she suggested to do ultrasound scan,and blood report, after checking the scan report and blood report doctor told us there is a problem and abrotion is required.and she given mifeprin kit and told us how to use the medicine. She did not inform us what is the main problem and why it caused. I am giving the ultrasound scan details below. Real time B Mode ultra sonography examination for early pregnancy with trans vaginal scan showed: LMP: 09/03/2014 Ges Age : 8.3 weeks EDD: 14/12/2014 Gravid uterus with a large gestational Sac and small fetal pole: Sac: md3.3*2.8 cms CLR: md 0.4cms Cardiac activity: absent Liquor: present Slightly large pocket of blood collection is seen adjacent to the sac Mg 2.0*1.7cms Blood report: Haemoglobin: 11.3% Blood group: AB RH Type Anti-D : positive VDRL TEST: Non reactive HBsAG Hepatitis-B: non reactive HIV Screening Test I-Antibody: non reactive II- Antibody: Non Reactive RBS(random blood sugar): 101 Mg/dl BT&CT Bleeding time: 2 min 00 sec Clotting time: 3 min 30 sec I want to know the reason for abortion and what may be the causes and precautions to be taken to get next pregnancy.