in oviduct if ostia is blocked secondary oocyte connot enters and leads to infertility right
then what about the condition of secondary oocyte formed
in this condition if secondary oocyte is not reached ampulla means then there is no chance of menstruation also naa
please explain what happens
Answers
An oocyte is an immature egg (an immature ovum). Oocytes develop to maturity from within a follicle. These follicles are found in the outside layer of the ovaries. During each reproductive cycle, several follicles begin to develop.
Typically, only one oocyte each cycle will become a mature egg and be ovulated from its follicle. This process is known as ovulation.
A woman is born with all the oocytes she will ever have. This number decreases naturally with age. Age also reduces the quality and genetic stability of the oocytes. This is why it's harder to get pregnant after 35.1
The fully mature ovum is visible to the human eye, measuring 0.1 mm. It is about the size of the period at the end of this sentence.
Medications known as fertility drugs can stimulate the ovaries to release multiple oocytes during a menstrual cycle. be used to stimulate the ovaries to produce multiple oocytes rather than and ovulating as mature eggs. This is the cause for the higher risk of multiple pregnancies when taking fertility drugs.2 For every ovum ovulated, there is a possibility it can become fertilized by a sperm cell. These fertilized ova can become embryos (and, eventually, if all goes well, babies.)
During fertility treatments, the doctor will conduct ultrasounds to monitor follicle growth. The oocyte maturation is also taking place, but oocyte maturation is not visible on ultrasound. This is why follicle growth is observed and not oocyte growth.
If too many follicles grow, your treatment cycle may be canceled to prevent the risk of multiple pregnancies or ovarian hyperstimulation syndrome (OHSS).3
During in vitro fertilization (IVF), if ultrasound monitoring does not show enough follicle growth—which means not sufficient oocytes are maturing—the cycle may be canceled to avoid treatment failure.
Alternative spellings: oöcyte, ovocyte, ocyte.
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Answer:
Menstruation does happen, but fertilization does not.
Explanation:
Generally, a block in ostia of fallopian tube doesn't mean the path of fallopian tube is completely blocked by something. The block could be of any one of the following.
Tubal Block:
- Distal tubal occlusion (which affects the end in the direction of the ovary) is often linked to hydrosalpinx creation and also frequently brought on by Chlamydia trachomatis.
- Pelvic adhesions might be connected with this kind of infection. In significantly less severe types, the fimbriae might be agglutinated and also harmed, yet some patency can still be conserved.
- The mid-segment tubal blockage could be on account of tubal ligation processes since that portion of the tube is a standard objective of sterilization interventions. Proximal tubal occlusion can happen after contamination like an infected abortion.
This means blockage in fallopian tube is nothing but tissue damage or tubal ligation which means the block is not completely blocked.
Menstruation does happen:
So the secondary oocyte can travel through fallopian tube to the uterus (in most cases but with causing pain) and resulting in menstrual phase.
Fertilization doesn't happen:
The sperm doesn't fertilize with ovum because sperm doesn't attain the capacity to fertilize it. Usually a process called capacitation takes place to increase the fertility of sperm in usual unblocked fallopian tubes. But in this case, capacitation does not take place. So fertilization doesn't occur. Even though fertilization occurs, it would not reach the uterus due to lack of nourishment which is to be provided by fallopian tube.
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