A–Z Glossary

Gestational diabetes

Diabetes that develops during pregnancy and is commonly screened for between 24 and 28 weeks.

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Common vs rare pregnancy complications explained

Common vs rare pregnancy complications explained

What actually makes a complication common or rare? In practice, “common” usually means a condition seen regularly in obstetric care or one that is included in routine screening because the baseline risk is meaningful. “Rare” refers to problems that occur much less often, often in more specific biological contexts such as unusual placental development, chromosomal […]

Blood sugar control insulin use and complications

Blood sugar control insulin use and complications

Why glucose control matters in pregnancy Glucose is the main circulating fuel available to the developing fetus, and maternal blood glucose crosses the placenta readily. Insulin itself does not cross the placenta in meaningful amounts, so when maternal glucose is elevated, the fetal pancreas responds by producing more insulin. This physiology explains why maternal hyperglycemia […]

Postpartum diabetes risk

Postpartum diabetes risk

Why diabetes risk changes after pregnancy Gestational diabetes mellitus, often called GDM, is glucose intolerance first recognized during pregnancy. In many cases, blood glucose improves soon after delivery because the placenta, a major driver of pregnancy-related insulin resistance, is no longer present. This improvement can be reassuring, but it does not mean the metabolic story […]

Gestational diabetes testing and blood sugar monitoring

Gestational diabetes testing and blood sugar monitoring

Why gestational diabetes screening is part of routine prenatal care Glucose testing in pregnancy is common because gestational diabetes can develop without clear symptoms. Many people feel well and still have blood sugar values that rise above the target range, so waiting for symptoms is not a reliable way to detect it. Screening is usually […]

Can you eat fruits during pregnancy

Can you eat fruits during pregnancy

The short answer: fruit is usually a good choice in pregnancy For most pregnant people, fruit can absolutely be part of a healthy eating pattern. Johns Hopkins Medicine includes cantaloupe, honeydew, mangoes, prunes, bananas, apricots, oranges, and red or pink grapefruit among foods that fit well into prenatal nutrition. That is a useful reminder that […]

Walking during pregnancy benefits

Walking during pregnancy benefits

Why walking is such a good fit in pregnancy Walking stands out because it is accessible. For many pregnant people, it is easier to start, easier to continue, and easier to scale up or down than more structured workouts. In the broader context of exercise in pregnancy, walking is often appealing because it is familiar, […]

Getting pregnant at 40 and 45: realistic expectations

Getting pregnant at 40 and 45: realistic expectations

What changes biologically after 40 and 45 The central biological issue is not simply that conception takes longer; it is that the pool of recruitable follicles continues to shrink, and the remaining oocytes are more likely to have meiotic errors. In practical terms, that means lower fecundability per menstrual cycle and a higher proportion of […]

Month 6 of pregnancy: fetal growth and second trimester changes

Month 6 of pregnancy: fetal growth and second trimester changes

Where month 6 fits in pregnancy dating Pregnancy is usually dated from the first day of the last menstrual period, so the embryo or fetus is biologically about two weeks younger than the gestational age used in clinical care. Month 6 generally corresponds to the late second trimester, often around weeks 23 through 27. Exact […]

First second and third trimester body changes

First second and third trimester body changes

Why the body changes so much during pregnancy Pregnancy requires the maternal body to support fetal growth, prepare for birth, and begin preparation for lactation. These adaptations are driven by hormones such as human chorionic gonadotropin, progesterone, estrogen, human placental lactogen, prolactin, relaxin, and cortisol-related metabolic changes. The effects are systemic rather than limited to […]