Doctor insights on:
Is Gender A Factor In Retained Placenta
Would there be a (big) difference in the measurement if a 12wk old fetus compared to a 9wk old fetus? The gestational age would be determined in u/s?
Yes: An first trimester sonogram is fairly accurate at dating a pregnancy (within a margin of error of about a week). At 12 weeks menstrual age with a viable pregnancy a sonogram measurement of 9 weeks would change the dating of the pregnancy and your due date should be based on that sonogram. Later sonograms should not change this established date. ...Read more
The "afterbirth" is the placenta, membranes, and umbilical cord. After the birth of a baby, the placenta should separate from the uterine wall and deliver. It can take as long as 30 minutes for this to happen. If it doesn't separate and deliver during this time-frame it is considered a retained placenta, or retained afterbirth. Manual or surgical ...Read more
Depends: This depends on who you ask. Some have a personal opinion that life begins at conception, some at "reasonable expectation of viability", some at birth.Various states have their own legal definition of status.I don't expect the arguments to be resolved in my lifetime & i doubt there will ever be a consensus on the matter. ...Read more
Is a small gestational sac in relation to the fetus a sign of a chromosomal abnormality. Fetus 9w sac 7w. Doctor and research have me very worried.
Hard to answer...: At such an early stage, imaging and interpretation is hard. There are associations between size and abnormalities. But it is impossible to look at a minimally smaller size and conclude anything, especially chromosomal disorders. It is best not to worry, but follow this serially and monitor progress. Your OB is the best judge of this and should advice you of intervention if at all needed. ...Read moreSee 1 more doctor answer
Is it possible to detect any genetic disorders in the baby by ultrasound during pregnancy in second trimester?
Poor sensitivity: A high resolution ultrasound can often yield evidence of structural changes that occur more often in some chromosomal disorders.It is not specific.Many genetic metabolic disorders are only picked up after birth when byproducts of metabolism build up in babies blood.Some metabolic disorders can be confirmed by fibroblast culture on material from an amniocentesis when family hx is suggestive. ...Read moreSee 1 more doctor answer
Is it true that the chances of having a child with a chromosomal abnormality increases as a womans age increases over 40 year?
Yes: It actually increases to a small degree with every year after peak fertility in the mid 20's. At 40 the risk of a trisomy 21 down syndrome reaches 1% while at 45 it reaches 2%. This number is added to the random risk of 4% that any pregnancy has of an unexpected event (cleft palate, premi, other defect). ...Read more
From implant-9wk: Although some will quibble and call a fertilized egg an embryo, most agree that the true embryonic stage starts with implantation of the fertilized egg in the womb and continues to the end of the eighth week. From 9 wks to delivery is considered the fetal period. ...Read more
Does a uterine polyp 3 weeks prior of embryo transfer could cause a healthy blastocyst with no chromosomes abnormalities not to implant?
"Is Panaromic blood test to find the gender of the baby with just 6.78% of fetal fraction cells accurate in detecting the gender of the baby as boy."?
Panoramic: It is told to be 99% accurate. But I have heard of false negatives....purpose is to look for genetic defects. Gender is bonus! ...Read more
How could warfarin effect an embryo that is 2 weeks old in fetal age (4 weeks gestational)? There isn't even a placenta yet
Great question: This assumes that you know exactly when you conceived. We see women all the time who have incorrect dates based on irregular timing of ovulation, conception and implantation. The fact is, warfarin is 'teratogenic' in the first trimester. Why would you take this risk? Talk to an mfm specialist. ...Read more
How likely is a small stomach on a 20 week us an issue in the absence of other abnormalities? There is a choroid plexus cyst. Amniotic levels wnl.
More details: This is a very specific question that would need to be answered only after reviewing the report and understanding your clinical scenario. It would be best to schedule a follow up with your obgyn and go through the details. ...Read more
Is it true that over 50% of fertilized ova pass out of a woman's body without resulting in pregnancy?
More like 30%: Firm data would be hard to obtain. Estimates based on ovulation & other studies project about a third of conceptions do not implant & establish a pregnancy.This can be due to late fertilization & transit through the womb before the conceptus is ready to implant. Also, a portion have chromosome or other abnormalities that did not have the proper information to establish a healthy pregnancy. ...Read more
Vague: It coudl mean many things, from worrisome to not. You put it in quotations "", what are you quoting from? ...Read more
How accurate is an abdominal ultrasound at 10-11 weeks pregnant? Is there a difference in accuracy of vaginal or abdominal at this stage in pregnancy?
Very accurate: Goose: the transabdominal ultrasound is very accurate at that gestational age. The transvaginal is typically done early on in pregnancy to better see the fetal pole and heartbeat. By 10-11 weeks, the pole should be easily seen transabdominally and there should definitely be a heartbeat. ...Read moreSee 1 more doctor answer
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