Fetal Development: Week-by-Week Stages of Pregnancy
Mar 19, 2024 · What are the three stages of fetal development called? Fetal development is an orderly and intricate process. It begins before you even know you’re pregnant and ends with the birth of your baby. Between conception and delivery, there are many detailed steps that have to …
Teratogens: Effects, Types, Risks & Prevention - Cleveland Clinic
A teratogen is a substance that interferes with normal fetal development and causes congenital disabilities. Drugs, alcohol, chemicals and toxic substances are examples of teratogens. Teratogens can also increase the risk for miscarriage, preterm labor or stillbirth.
Birth Defects: Types & Causes - Cleveland Clinic
Birth Defects. Birth defects are differences in the way your child’s body develops. There are several types of birth defects, with causes that range from genetic changes to environmental factors. Examples include congenital heart conditions, a cleft lip and Down syndrome.
Pregnancy: Gestation, Trimesters & What To Expect - Cleveland …
Apr 11, 2024 · Pregnancy lasts about 40 weeks and is split into three trimesters that each last around 13 weeks. Getting prenatal care is essential to a healthy pregnancy. A fetus grows in the uterus during pregnancy. A full-term pregnancy lasts …
Stages of Labor: What to Expect During Labor & Delivery
Labor and delivery involves three stages, including contraction and labor, pushing and birth of the baby, and the exit of the placenta. That said, all people tend to experience the stages differently. Knowing what to expect at each stage can help you feel calm and prepared once labor begins.
First Trimester of Pregnancy: What To Expect - Cleveland Clinic
What is the first trimester of pregnancy? Pregnancy has three trimesters or stages. Each trimester is about 13 weeks or three months long. A full-term pregnancy lasts 40 weeks or between nine and 10 months. Your healthcare provider will talk to you about fetal development in terms of weeks. Your first trimester of pregnancy lasts until the 13th ...
Erythropoiesis: What It Is & Process Stages - Cleveland Clinic
Hematopoiesis is your body’s process of making all three types of blood cells: red blood cells (erythropoiesis), white blood cells (leukopoiesis) and platelets (thrombopoiesis). Where does erythropoiesis occur? Erythropoiesis starts before people are born. This is fetal erythropoiesis.
Blastocyst: Definition, Stage & Implantation - Cleveland Clinic
A blastocyst forms about five to six days after a sperm fertilizes an egg. Layers of cells in the blastocyst divide and separate. They eventually become the structures that protect and nourish the developing fetus. The blastocyst stage of a fertilized egg is especially important for in vitro fertilization (IVF).
Fetal Pole: Ultrasound, Anatomy & Function - Cleveland Clinic
A fetal pole is an embryo, one of the first stages of pregnancy. During a healthy pregnancy, a fetal pole develops into a fetus, then a baby at birth. Talk to your healthcare provider about the results of your prenatal ultrasound and what they mean for your pregnancy.
Conception: Fertilization, Process & When It Happens - Cleveland …
Conception happens when sperm swims up through the vagina and fertilizes an egg in the fallopian tube. It happens in the hours or days after you have unprotected sex. After conception, the fertilized egg implants into the uterus and a pregnancy begins.