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Doctor insights on: When Does The Placenta Form During Pregnancy

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Dr. William Singer
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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If a placenta was low lying during one pregnancy does it mean it will be low lying again for the next?

If a placenta was low lying during one pregnancy does it mean it will be low lying again for the next?

No.: Placentation is not predictable and does not correlate with prior pregnancies, with the exception of placenta previa +/- accreta, which tends to recur. Your 20 week sonogram will establish placentation with great accuracy. Good luck! ...Read more

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Does vicidin cross placenta and what studies have been done to deem safe during pregnancy? 

Does vicidin cross placenta and what studies have been done to deem safe during pregnancy? 

See below: Vicodin is pregnancy category c. This means animal studies have shown harm to the fetus but no human studies have definitely shown benefit or harm. Therefore, you have to weigh the benefits with the risks. For a med like this, it's likely another med can be substituted. ...Read more

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What does lowline placenta means during 13th week of pregnancy.Is it safe to take 2hrs flite after icsi?

What does lowline placenta means during 13th week of pregnancy.Is it safe to take 2hrs flite after icsi?

Likely okay...: A "low-lying" placenta is not uncommon early in pregnancy and, by itself, is not a big concern, especially if you are not having any bleeding. (may be reasonable to avoid sexual intercourse until it moves, ask you healthcare provider.) regarding the procedure you had, and taking a flight, to be safe, i would consult your obstetrician or midwife. ...Read more

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During my 1st pregnancy my placenta was infected with gbs and i lost the baby at 31wks. I am on my 2nd pregnancy when can I be treated for gbs?

During my 1st pregnancy my placenta was infected with gbs and i lost the baby at 31wks. I am on my 2nd pregnancy when can I be treated for gbs?

Not until 35wks: All pregnant women should get tested for GBS, group B streptococcus, at 35wks. It's not an infection; just colonizes the vagina. If it gets onto your baby as it passes through the birth canal, it can lead to sepsis (whole body infection) -- so if you have it and you're going into labor, you HAVE to be at a hospital to get IV antibiotics (PCN). Can't do anything about it before labor. No symptoms. ...Read more

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Dear doctor, is it safe to consume sheep placenta during pregnancy? Thank you!

Dear doctor, is it safe to consume sheep placenta during pregnancy? Thank you!

Ask your OB: Why would u want to do that, women that live in the us do not do that, my answer is no, but ask your ob. ...Read more

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Could the staples from a previous bilateral femoral/ingnal hernia repair with mesh put a baby or placenta at risk during pregnancy?

Could the staples from a previous bilateral femoral/ingnal hernia repair with mesh put a baby or placenta at risk during pregnancy?

Hernia repair: Whether done open or laparoscopic the mesh, tacks, and suture from the hernia repairs will incorporate into your own tissue. Once the healing process is complete then the material utilized for the repair becomes part of your own tissue and pregnancy can go on safely without any risk of the fetus. ...Read more

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Why am I feeling baby movements very low as in my pelvic region during 26th week of pregnancy? Anterior lying placenta. First pregnancy.

Why am I feeling baby movements very low as in my pelvic region during 26th week of pregnancy? Anterior lying placenta. First pregnancy.

Baby location: At 26 weeks gestation the very top of the uterus (fundal height) should be about 6 cm above your belly button. That means the baby will be laying pretty low down since you are only in the 2nd trimester. You can have your doctor verify for you at your next visit. ...Read more

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Can taking too many Tums (calcium carbonate) during pregnancy cause aging of the placenta, or calcify the placenta?

Can taking too many Tums (calcium carbonate) during pregnancy cause aging of the placenta, or calcify the placenta?

No: Not that I know of. Granted there is calcium in Tums, but a lot of women take calcium in pregnancy and, for the most part, your kidneys are going to filter out and pee out, excess calcium. Having said that, it's always possible to overdose on any medication, so I would not take more than is recommended. If Tums isn't helping your gastric reflux, then consider taking Zantac (ranitidine) or Pepcid. ...Read more

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I'm taking lovenox (enoxaparin) during pregnancy because of history of PE. Is it still safe to take with placenta previa. I'm having light brown spotting right now.

I'm taking lovenox (enoxaparin) during pregnancy because of history of PE. Is it still safe to take with placenta previa. I'm having light brown spotting right now.

Consult a Doctor: The risk and benefit of utilizing a blood thinner such as lovenox (enoxaparin) with a history of thromboembolic disease such as PE with an ongoing issue placenta previa that can cause bleeding needs to be discussed with your physician. Both of these can be potential life threatening events and the benefits and the risks of both taking as well as not taking lvoenox need to be explored with your doctor ...Read more

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If you a mother's blood supply does not cross over into the placenta till 6 weeks, how could alcohol effect an embryo during the 3rd week of pregnancy?

If you a mother's blood supply does not cross over into the placenta till 6 weeks, how could alcohol effect an embryo during the 3rd week of pregnancy?

Mother & baby : The embryo is nourished directly from the cells lining the mothers uterus. This continues until development of the placenta and umbilical cord takes over the job. I know you are concerned about your alcohol consumption early in your pregnancy. The thing is there are no absolutes here. Chances are everything will be fine. See your doctor, take your vitamins, and take care of yourself. ...Read more

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Streptococcus milleri in the womb/placenta should this have been detected during my pregnancy? Me and baby recieved antibiotic therapy but worried no

Streptococcus milleri in the womb/placenta should this have been detected during my pregnancy? Me and baby recieved antibiotic therapy but worried no

Strep milleri: This organism can be quite malignant, if in fact it is causing infection. It is not possible to tell whether its presence could have been detected earlier without more info on your symptoms and signs. Hope that you and your baby are getting along well and will recover uneventfully from anything this may have caused. ...Read more

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When does the placenta form in pregnancy?

When does the placenta form in pregnancy?

Early in pregnancy: From the developing embryo the tissue approaches the maternal uterine vessels and without mixing their individual blood, there's exchange oxygen and nutrients. ...Read more

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What is the role of placenta in pregnancy?

Many: It's primary function is to act as a go between with your system and the baby's. It can filter out bad stuff and let good stuff (nutrients) in. It allows for the proper transfer of everything from calories to antibodies to the baby. A healthy and normally functioning placenta is critical to the baby's health. ...Read more

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When does the placenta take over in pregnancy?

When does the placenta take over in pregnancy?

At 8 - 10 weeks: If you're referring to 'taking over' Progesterone production from the ovary, it's between 8 to 10 weeks of pregnancy, counted from the last menstrual period. ...Read more

Placenta (Definition)

The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via ...Read more