The first two weeks of development after conception are called the _____.
A) fetal period
B) germinal period
C) embryonic period
D) implantation period

Question

Quizplus · Accepted Answer

The first two weeks of development after conception are called the germinal period. During this time, the fertilized egg travels down the fallopian tube and undergoes cell division, ultimately forming a blastocyst that implants in the uterine wall. It is during the germinal period that the placenta begins to form, which is vital for nourishing and supporting the developing embryo. The embryonic period, in contrast, begins around week 3 and lasts until about week 8 of gestation, when the major organs and body systems begin to take shape. The fetal period begins around week 9 and lasts until birth, during which time the fetus continues to grow and mature. The implantation period is not a recognized stage of prenatal development; instead, it refers specifically to the process by which the blastocyst attaches to the uterine wall.

The First Two Weeks of Development After Conception Are Called