Miscarriage is very common. In fact, it has been estimated that half of all pregnancies end in an early miscarriage that occurs before the first period would have been missed, when most women do not yet know they are pregnant. Of pregnancies that make it past this point, up to 15 per cent result in a miscarriage, mostly during the first trimester. More..

IF the fetus is growing in the wrong place, usually in one of the fallopian tubes is called an ectopic pregnancy. , it may cause the fallopian tube to stretch, bleed or rupture As the fetus gets bigger. T massive bleeding and infertility, can be caused by this and can be life-threatening. These problems typically occur when the pregnancy is 6 to 7 weeks along, but can occur anywhere from 4 to 10 weeks. More..