Textbook Question
After implantation, how does the developing embryo obtain nutrients? What structures and processes are involved?
28. Human Development
Implantation
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What is the result when a zygote implants in the fallopian tube or ovary?
A
Ectopic pregnancy
B
Normal pregnancy
C
Molar pregnancy
D
Miscarriage
Verified step by step guidance1
Understand the process of fertilization: A zygote is formed when a sperm cell fertilizes an egg cell. Normally, this zygote travels down the fallopian tube to the uterus for implantation.
Identify the location of implantation: In a typical pregnancy, the zygote implants in the lining of the uterus. However, if the zygote implants in the fallopian tube or ovary, it is considered abnormal.
Define ectopic pregnancy: An ectopic pregnancy occurs when the zygote implants outside the uterus, most commonly in the fallopian tube. This is a medical emergency as it can cause complications.
Differentiate from other conditions: A molar pregnancy involves abnormal growth of placental tissue, while a miscarriage is the loss of a pregnancy. Neither involves implantation in the fallopian tube or ovary.
Conclude the implications: Recognize that an ectopic pregnancy requires medical intervention to prevent serious health risks to the individual.
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