Infections During Pregnancy Blood Clot Disorders During Pregnancy Urinary Tract Infections During Pregnancy Multiple Pregnancy Late-Term and Postterm Pregnancy Development of the Embryo and Placenta The placenta is fully formed by 18 to 20 weeks but continues to grow throughout pregnancy. At delivery...
Throughout the9 months of pregnancy, the fetus keeps on growing in size until it is fully developed as a human: from a zygote to a baby. At the same time, the body of the pregnant woman and the symptoms that accompany her during pregnancy change month after month as fetal development pro...
The duration of pregnancy inobstetricterms is based on the date of the lastmenstrual period; thus the obstetric ‘age’ of an early embryo is different to the Carnegie stage. Care must be taken in recording the age of an embryo or fetus so that these different timescales can be reconciled....
Looking for a week-by-week guide to pregnancy? You're in luck! We've got loads of expert-approved info about each week and trimester, including what's up with your growing baby and what changes to expect for yourself. You'll find stunning fetal development videos, thousands of articles,...
During each prenatal stage, genetic and environmental factors can affect development. The developing fetus is completely dependent on the mother for life. It is important that the mother takes good care of herself and receivesprenatal care, which is medical care during pregnancy that monitors the he...
Learn about the stages of prenatal development. Discover the order of the stages and the events of the germinal stage, embryonic stage, and fetal...
Those two stages are the germinal stage and the embryonic stage. The germinal stage must be completed before the embryonic stage can commence. These two human embryo stages last for about eight weeks of pregnancy.Germinal Stage Details Fetal Stage of Development Lesson Summary Register to view ...
Conclusions : The production and function of oviductin at different stages of human reproductive cycle including pregnancy is not well known. Its highest expression at the time of ovulation is consistent with a supportive role in fertilization and early embryo development....
The stages of pregnancy are described in three trimesters, with a fourth trimester after birth. (Image credit: Getty Images/SDI Productions) Jump to: Conception & implantation First trimester Second trimester Third trimester Fourth trimester Additional resources For a pregnant person, ...
2015: The Prevalence of Human Immunodeficiency Virus Infection among Pregnant Women in Labour with Unknown Status and those with Negative Status Early in the Index Pregnancy in a Tertiary Hospital in Nigeria African Journal of Reproductive Health 19(3): 137-143 Madea, B.; Roewert, H.J.; ...