Science is a mysterious and complex thing.
I can say I went through a lot of transvaginal ultrasounds when I was pregnant was DS and never had a problem so I doubt it could be from that. Sometimes it could be a chromosomal abnormality. We didn't know why until I had to go through 2 more mcs.
I carried the baby to 7w but her hb stopped. I also heard my babys heartbeat when my SO and i was pregnant last July. We later found out that my immune system was fighting off his red blood cells which caused him to pass away. I carried my son to 28w and his heart stopped.
If the pregnancy hormone is falling this usually means that the pregnancy is ending and that you will miscarry.There are many reasons why a mc happens after a hb is heard. If the pregnancy hormone is rising slower than is usual it might mean that you are miscarrying or the pregnancy is ectopic, sometimes though it is due to unusual hormonal patterns in an otherwise normal pregnancy. Usually a repeat blood test is needed after two days. If the pregnancy hormone is lower than expected it might mean that you are not as pregnant as you thought or it could mean that the pregnancy is not growing normally. Blood testsĪ blood test can measure the level of the pregnancy hormone hCG (human Chorionic Gonadotrophin), which changes depending on how pregnant you are. Sometimes it is also possible to see that a miscarriage has begun and that some of the pregnancy tissue has been passed out of the uterus. The ultrasound can also show if a pregnancy has stopped growing. Your chances of having a miscarriage in this scenario are less than one in twenty. If a heartbeat is found during an ultrasound it is likely that your pregnancy will continue with no further problems. An ectopic pregnancy is very serious and if found you will be treated immediately. The benefit of an early ultrasound is that it may locate a pregnancy that is growing in the fallopian tubes (an ectopic pregnancy). An ultrasound this early is not likely to give any definite answers about the future of the pregnancy. A vaginal ultrasound is a narrow probe, which is put inside the vagina it feels much like an internal examination and is quite safe.īefore six weeks, the embryo is so small that it can be very difficult to see its heartbeat. If you have been bleeding, you will likely be offered a vaginal ultrasound because it offers the best possible view of your pregnancy. UltrasoundĪfter about six weeks of pregnancy the baby’s heart beat can usually be seen on ultrasound. 
Your doctor is likely to begin with an internal examination to feel the size of your uterus and to look for any obvious visible sign of bleeding. Miscarriage and ectopic pregnancy (where the fetus is growing inside the fallopian tube) can both cause bleeding. It is also possible that you will have tests and investigations but the reason for your bleeding will not be found. However, if you have any bleeding at any time during your pregnancy, contact a health professional, so that appropriate investigation and treatment can be started. One in four women will bleed in early pregnancy, many of whom go on to have a healthy baby. If you bleed in early pregnancy it does not always mean that you are having a miscarriage in fact it is quite common.
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