Fetal development by week: Your baby in the womb - BabyCenter
网页2023年2月21日 · Use this timeline to learn what your baby's up to and how they're developing throughout pregnancy. Follow your baby's development week by week, from conception to labor, in these amazingly detailed, doctor-reviewed images. Your egg is fertilized 12 to 24 hours later if a sperm penetrates it.
Fetal Development: Week-by-Week Stages of Pregnancy - Cleveland Clinic
网页There are three stages of fetal development: germinal, embryonic and fetal. Most people don’t talk about their pregnancy in these terms, but it can be helpful to know. Germinal stage. The germinal stage is the shortest stage of fetal development. It begins at conception when a sperm and egg join in your fallopian tube. The sperm fertilizes ...
Fetal development: The 1st trimester - Mayo Clinic
网页2022年6月3日 · Fetal development typically follows a predictable course. Find out what happens during the first trimester by checking out this weekly calendar of events. Keep in mind that measurements are approximate.
Pregnancy Week-by-Week: Baby Development, Symptoms & Signs - What to Expect
网页This pregnancy tracker will help you better understand the weeks, months and trimesters of your pregnancy; each brings new developments and milestones for you and your baby-to-be.
Pregnancy Timeline: Fetal Development Week-by-Week with Pictures - WebMD
网页Take a peek inside the womb to see how your belly and your baby develop from week to week with this interactive visual pregnancy timeline from WebMD.
Stages of Fetal Development - Stages of Fetal Development
网页Development of the Fetus. At the end of the tenth week of pregnancy (8 weeks after fertilization), the fetal stage begins. During this stage, the organs and systems that have already formed grow and develop as follows: By 12 weeks of pregnancy: The fetus fills the entire uterine cavity.
Baby Development Month By Month - American Pregnancy Association
网页Baby Development Month by Month. A baby grows and develops an amazing amount in just nine months. Here’s a short summary of how your baby’s development occurs during pregnancy. Be sure to sign up for our pregnancy week by week newsletter for pregnancy changes and baby development updates to your inbox weekly!
3 Prenatal Development Stages - Verywell Mind
网页2024年5月20日 · There are three stages of prenatal development: the germinal, embryonic, and fetal stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.
Fetal development: The 3rd trimester - Mayo Clinic
网页2022年6月3日 · The end of your pregnancy is near! By now, you're eager to meet your baby face to face. Your uterus, however, is still a busy place. Here's a weekly calendar of events for fetal development during the third trimester. Keep in …
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