Blighted ovum: What causes it? - Mayo Clinic
网页2023年10月17日 · Blighted ovum is an older term for a certain type of pregnancy that leads to an early miscarriage. It's now known as an anembryonic (an-em-bree-on-ik) pregnancy. With a healthy pregnancy, an egg fertilized by sperm develops into the earliest form of an unborn baby, called an embryo. But with an anembryonic pregnancy, an embryo never …
Molar pregnancy - Symptoms and causes - Mayo Clinic
网页2022年11月12日 · A molar pregnancy may seem like a regular pregnancy at first. But most molar pregnancies cause symptoms that can include: Dark brown to bright red bleeding from the vagina during the first three months. Severe nausea and vomiting. Sometimes grapelike cysts that pass from the vagina. Pelvic pressure or pain.
Symptoms and causes - Mayo Clinic
网页Anembryonic pregnancy. This happens when no embryo forms. Or the embryo forms but is absorbed back into the body. The embryo is the group of cells that develops into an unborn baby, also called a fetus. Intrauterine fetal demise. In this situation, an embryo forms but stops developing. It dies before any symptoms of pregnancy loss occur.
Fetal development: The 1st trimester - Mayo Clinic
网页2022年6月3日 · Fetal development six weeks after conception. Eight weeks into your pregnancy, or six weeks after conception, your baby's lower limb buds take on the shape of paddles. Fingers have begun to form. Small swellings outlining the future shell-shaped parts of your baby's ears develop and the eyes become obvious.
Pregnancy after miscarriage: What you need to know - Mayo Clinic
网页2024年3月6日 · Many go on to have healthy pregnancies. The risk of miscarriage in a future pregnancy is about 20% after one miscarriage. After two miscarriages in a row, the risk of another miscarriage goes up to about 25%. After three or more miscarriages in a row, the risk of another miscarriage is about 30% to 40%.
Gestational diabetes - Symptoms & causes - Mayo Clinic
网页2022年4月9日 · Gestational diabetes is diabetes diagnosed for the first time during pregnancy (gestation). Like other types of diabetes, gestational diabetes affects how your cells use sugar (glucose). Gestational diabetes causes high blood sugar that can affect your pregnancy and your baby's health. While any pregnancy complication is concerning, …
Hand-foot-and-mouth disease - Symptoms & causes - Mayo Clinic
网页2022年8月16日 · Hand-foot-and-mouth disease often causes a rash of painful, blister-like lesions on the soles of the feet. Rashes appear differently depending on skin tone. The usual period from initial infection to the time symptoms appear (incubation period) is 3 to 6 days. Children may get a fever and develop a sore throat.
Stages of labor and birth: Baby, it's time! - Mayo Clinic
网页2024年7月23日 · The first stage of labor and birth happens when you begin to feel ongoing contractions. These contractions become stronger, and they happen more often as time goes on. They cause the cervix to open. This is called dilation. The contractions also soften, shorten and thin the cervix. That process is called effacement.
Fetal development: The 2nd trimester - Mayo Clinic
网页2022年6月3日 · Fetal development takes on new meaning in the second trimester. Highlights might include finding out your baby's sex and feeling your baby move. By Mayo Clinic Staff. As your pregnancy progresses, your baby might begin to seem more real. Two months ago, your baby was a cluster of cells.
Gestational diabetes - Diagnosis & treatment - Mayo Clinic
网页2022年4月9日 · A blood sugar level of 190 milligrams per deciliter (mg/dL), or 10.6 millimoles per liter (mmol/L), indicates gestational diabetes. A blood sugar level below 140 mg/dL (7.8 mmol/L) is usually considered within the standard range on a glucose challenge test, although this may vary by clinic or lab. If your blood sugar level is higher than ...