A threatened miscarriage is defined as any vaginal bleeding that happens during the first 20 weeks of pregnancy, while the cervix remains closed. Despite the anxiety that it causes, this occurrence is very common, especially in the first trimester. As many as 20% of all expecting women will have some type of vaginal bleeding and about half of these will still carry to term successfully... 

A major cause for repeated IVF failure, as well as a likely factor in unexplained infertility and recurrent pregnancy loss, is represented by the failure of the embryo to properly implant and thrive in the uterine lining, known as an implantation defect or implantation deficiency. Lean more about what causes this and how it can be treated... 

Find out everything about home pregnancy tests (HPTs), HCG blood testing, false negative and false positive results and their causes, as well as normal and abnormal doubling times and what they could mean for you and your pregnancy. Also, discover how blood HCG levels correlate with first trimester ultrasound findings...