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1.If there is mentioned in the report any thing about partial molar
pregnancy - then the pregnancy is more of difficult to survive.
2.Because in partial mole - there will be baby, but many cases the foetus with anatomical deficiencies.
3.Now you need to have NT - scan and if its normal you can proceed to the anatomy scan / anomaly scan - done between 18 - 22 weeks, in which every aspect of the foetus is seen.
4.If that scan goes through well, then the possibilities of viable pregnancy can be expected.
5.Placenta is always located above or below in relation to the foetus and
uterus - but if there are any changes like mole then that is a pathology.
Good luck.
Hope i have answered your query,
any thing to ask ? do not hesitate to ask.
http://doctor.healthcaremagic.com/doctors/dr-ganesh/62888