Sacrococcygeal teratomas (SCT) are teratomas which arise from the presacral space and can grow to massive proportions leading to high-output cardiac failure with perinatal mortality in nearly 50%. The Rationale for in utero therapy was to occlude the vascular flow to the teratoma and therefore reverse the vascular steal and high-output cardiac failure. Although intrauterine surgical procedures such as cyst aspiration, amnioreduction and open debulking have been tried the perinatal mortality and obstetric complication rates remain high . Other minimally invasive techniques such as ultrasound-guided radio frequency ablation of the SCT vasculature appear promising but require further evaluation.
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The first trimester is very important for the mother and the baby. For most women it is common to find out about their pregnancy after they have missed their menstrual cycle. Since, not all women note their menstrual cycle and dates of intercourse, it may cause slight confusion about the exact date of conception. That is why most women find out that they are pregnant only after one month of pregnancy.