Pregnancy: Conception – Maternity – Trimester
Pregnancy with infections (UTI and viral infections)

Pregnancy with infections (UTI and viral infections)

Why infections deserve special attention in pregnancy Pregnancy is not an immunocompromised state in the simple sense, but it does involve complex immunologic, hormonal, and anatomic adaptations. Progesterone-mediated smooth muscle relaxation can slow urinary flow, the enlarging uterus can contribute to urinary stasis, and physiologic hydronephrosis may develop. These changes help explain why bacteriuria can […]

Pregnancy with twins and triplet pregnancy risks

Pregnancy with twins and triplet pregnancy risks

Why multiple pregnancies are considered higher risk A multiple pregnancy means more than one fetus is developing in the uterus. Twins may be dizygotic, arising from two separate eggs, or monozygotic, arising from one fertilized egg that splits. Triplets can occur in several combinations, such as three separate embryos or one embryo splitting in addition […]

Pregnancy with autoimmune diseases and chronic illness

Pregnancy with autoimmune diseases and chronic illness

Why autoimmune disease can change pregnancy risk Autoimmune diseases occur when the immune system targets the body’s own tissues. Pregnancy requires a finely balanced immune state: the maternal immune system must tolerate the fetus while still protecting against infection. This does not mean pregnancy is simply “immunosuppressed”; rather, immune activity shifts across gestation, which can […]

Pregnancy with high blood pressure

Pregnancy with high blood pressure

What counts as high blood pressure in pregnancy? Blood pressure is recorded as systolic pressure over diastolic pressure. In pregnancy, hypertension is commonly defined as a systolic pressure of at least 140 mmHg or a diastolic pressure of at least 90 mmHg, typically confirmed with repeat measurements. A reading is considered severe when systolic pressure […]

Pregnancy with diabetes and gestational diabetes risk

Pregnancy with diabetes and gestational diabetes risk

Understanding diabetes in pregnancy Diabetes in pregnancy is not a single condition. It includes people who enter pregnancy with established type 1 diabetes, type 2 diabetes, or other forms of diabetes, as well as those who develop hyperglycemia first recognized during pregnancy. Gestational diabetes mellitus, often abbreviated GDM, generally refers to glucose intolerance diagnosed in […]

Pregnancy with thyroid disorders

Pregnancy with thyroid disorders

Why the thyroid matters in pregnancy The thyroid gland produces thyroxine, also called T4, and triiodothyronine, called T3. These hormones help regulate energy use, cardiovascular function, gastrointestinal motility, temperature regulation, and many aspects of growth and development. During pregnancy, thyroid hormone is particularly important for placental health and fetal neurodevelopment. Several normal pregnancy changes affect […]

Pregnancy with PCOS and endometriosis

Pregnancy with PCOS and endometriosis

Understanding PCOS and endometriosis together PCOS is a common endocrine disorder characterized by features such as irregular or absent ovulation, clinical or biochemical hyperandrogenism, and polycystic ovarian morphology on ultrasound, depending on the diagnostic criteria used. It is also frequently associated with insulin resistance and metabolic risk. The World Health Organization notes that PCOS can […]

Pregnancy after C-section and VBAC risks and benefits

Pregnancy after C-section and VBAC risks and benefits

Understanding pregnancy after a previous cesarean A previous cesarean section does not automatically mean every future birth must also be by cesarean. Many people with one prior low-transverse uterine incision may be candidates for TOLAC, depending on their full clinical picture. A low-transverse incision is a horizontal incision in the lower uterine segment; it is […]

Pregnancy after miscarriage: timing and chances

Pregnancy after miscarriage: timing and chances

Understanding recovery after miscarriage Miscarriage is usually defined as pregnancy loss before 20 weeks, although terminology and thresholds vary by country and clinical setting. Early miscarriage is often related to chromosomal abnormalities in the embryo, meaning the pregnancy was not developing normally from the start. This can be a painful fact to hear, but it […]

Second and third pregnancy differences and risks

Second and third pregnancy differences and risks

Why later pregnancies can feel different Many people expect a second or third pregnancy to be easier because the experience is no longer completely unknown. In some ways, that may be true: you may recognize nausea patterns, round ligament pain, Braxton Hicks contractions, or early labor more readily. But the body is also entering pregnancy […]