Gestational diabetes type 2 is a form of diabetes that develops during pregnancy in women who did not have diabetes before becoming pregnant. It is characterized by high blood sugar levels that can pose risks to both the mother and the baby. Women with gestational diabetes type 2 may need to monitor their blood sugar levels, follow a special diet, and in some cases, take medication to manage their condition. After giving birth, blood sugar levels usually return to normal, but women who have had gestational diabetes type 2 have an increased risk of developing type 2 diabetes later in life. **

When an ultrasound does not show a gestational sac in the uterus, it typically means that a pregnancy is not developing as expected. This could indicate a possible miscarriage, ectopic pregnancy, or a miscalculation of the gestational age. It is important to follow up with a healthcare provider for further evaluation and guidance. **

I am not a doctor and cannot diagnose medical conditions. If you suspect you may have gestational diabetes, it is important to consult with a healthcare professional for proper testing and diagnosis. They can provide the necessary tests and guidance to determine if you have gestational diabetes and provide appropriate treatment if needed. **

Gestational diabetes typically goes away after giving birth, as the body's insulin production and blood sugar levels return to normal. However, women who have had gestational diabetes are at a higher risk of developing type 2 diabetes later in life. It is important for these mothers to continue monitoring their blood sugar levels and maintain a healthy lifestyle to reduce their risk of developing type 2 diabetes. **

Gestational age may not be able to be accurately calculated if the exact date of conception is unknown or if there is uncertainty about the date of the last menstrual period. Factors such as irregular menstrual cycles, hormonal imbalances, or variations in the timing of ovulation can also make it challenging to determine gestational age. In such cases, healthcare providers may rely on ultrasound measurements and other indicators to estimate the gestational age of the fetus. **

If there is no baby visible in the gestational sac during an ultrasound, it could indicate a few possibilities. It may be too early in the pregnancy to see the baby, or there may be a miscarriage or an ectopic pregnancy. Further testing and follow-up with a healthcare provider would be needed to determine the cause and next steps. **

No, gestational diabetes was not already diagnosed in the 16th week. Typically, gestational diabetes is diagnosed between the 24th and 28th week of pregnancy through a glucose tolerance test. This test helps to determine how well the body is processing sugar during pregnancy. If gestational diabetes is suspected earlier in pregnancy, additional testing may be done to confirm the diagnosis. **

An empty gestational sac at 6 weeks typically indicates a blighted ovum, which means that a fertilized egg implanted in the uterus but failed to develop into an embryo. This can be caused by chromosomal abnormalities or other factors. It is important to follow up with a healthcare provider for further evaluation and guidance on next steps, which may include monitoring for a spontaneous miscarriage or discussing options for medical intervention. **