How do embryos start developing after in vitro fertilization?

We are doing a project on twins in my biology class and my topic is multiple births due to in vitro fertilization. And I need to find out how the embryos get started.


In a normal female, fertilization occurs in the oviduct after an ovum has been released from the ovary, and is fertilized by the sperm. This fertilized ovum then travels down the oviduct and implants itself into the endometrium (the outermost layer) of the uterus. The zygote will grow for the duration of the pregnancy here.

In in-vitro fertilization, a physician will implant multiple embryos in the endometrial lining of the uterus, the opposite of the natural process. In most cases, physicians will implant more than one embryo simply to increase the chances of having one successfully implant and grow.

Following implantation in the uterus, these embryos grow in the same way as all others, The zygote undergoes multiple division to form the blastocyst, and eventually cells begin differentiating and specializing.


just like normal babies just in a petri dish... the cells divide...

How much is In Vitro Fertilization & how does it work?

How much does In Vitro Fertilization run for and how does it work? My husband & I are 23 years old, had a miscarriage last year and we've been trying for over a year to have a child with no luck. The doctors say that nothing is wrong with me or him, it just hasn't happen. What is the process for In vitro fertilization and how much is it? We are ready to be parents!!!


If you had a miscarriage, then IVF is not what you need. You can conceive! You may, however, need to see a doctor who specializes in miscarriage OR see a reproductive endocrinologist.


very expensive. 6000-15000$ depending upon if if have insurance coverage. all of them do not cover it. Besides, going thru it is not easy on your body and psyche especially if you have to go thru multiple cycles.
I am not trying to discourage you. I think you guys are very young. The miscarriage is a very good sign of your fertility. It indicates that you can actually get pregnant (lots of women lose their first pregnancy) and tests indicate the same. If I were you, I would try naturally for another 1-2 years. Try BBT charting and OPKs to find when you ovulate and have sex around ovulation (every 2 days). And do not stress over it.
If you are not successful, you can reconsider IVF.
Good luck!


If you have no insurance coverage, the average cost is about $12,000. Give or take a few.


If your OBGYN is saying that nothing is wrong with you or him, they are obviously wrong if you have been ttc for a year. I go to yale fertility center in Conn. It is $9,500 for IVF. You would probably do one cycle of IUI first just so they can "check out" your ovaries. Most insurances cover b/w & u/s. Each IUI cost $500. If insurance doesn';t cover meds, It can be a couple thousand but I got donated meds at my office plus from a company that will give free meds if you qualify. Where do you live? I have a three year old (naturally), I'm 34 and have been ttc for a year now. I had a miscarriage in Nov and my obgyn sent me to Yale in May. I am on my 3rd IUI. Last month and this month I was planning on doing IVF but I didn't have enough eggs for IVF. You really need to find a fertility center that knows what they are doing. Yale is the first center in the North east to do IVF and they are very reputable. I actually referred someone online there (because they were told from their other Dr. that they had to use donor eggs) the Dr. at yale actually stimulated her eggs!! You are definitely ready to see a fertility specialist even if you are 23. Did the Dr. do a semen annalysis??? If you are given a choice to do clomid or injectables, definitely pick injectables. The Dr.s can regulate the amount of injectables and have mmore control over the medicine. If your insurance covers IVF, then I would go straight to IVF. Baby dust!!!!

How effective is in vitro fertilization for a woman under 30?

I have had three healthy children but after my last child, had my tubes cut in sections. they are unrepairable so i'm looking into in vitro fertilization. Have appointment on the 30th with fertility clinic. Everything else concerning my reproductive system is just fine so i doubt there should be any issues. I'm looking to hear about this procedure from those that have gone through it or know someone who has done it. what the success rate is, how likely it is to have multiples ect. any info is greatly appreciated.


The Society for Assisted Reproductive Technology did a national study and found that women under 35 had a live birth average success rate of 39.9% for IVF using a fresh non-donor embryo.

Your actualy rates will depend on your specific situation, your fertilization rates for your actual cycle, quality of the embryos produced, number transferred back etc . . .

As to multiples - in IVF you have a lot of control. Most doctor try to reduce the risk of high-order multiples and many are encouraging women to only transfer 1 embryo. My advice is to NOT transfer more than you are willing to handle. I would not want to have to do selective reduction after going through so much to get pregnant or putting myself and the unborn at risk by transferring too many. We did IVF and transferred 2 embryos - both stuck and we now have twins that will turn 1 in 3 days - a true blessing but a ton of work. I could not have handled triplets and would not have risked more than twins.

You might want to look into nutrition, acupuncture, stress management, counseling and prenatal yoga if you end up doing IVF. I personally found it beneficial when going through IVF - I was in a better place mentally and physically.

Good luck and best wishes!

3D animation of how IVF works

This is a beautiful medical animation about IVF (In Vitro Fertilization)

Fertility Success: In Vitro Fertilization and Health Insurance

Each day, we search through the latest stories from dozens of the top blogs and news sites and present the top links to our readers. If you'd like your site included in our index, submit your URL and link to us in your blogroll and we'll add you to our real-time index. Please only submit your site if your content is relevant to our readers here at Fertility News. A percentage of health care insurers have some type of fertility treatment benefit, but most benefits do not extend to include in vitro fertilization (IVF) financing. That leaves many insured persons without any assistance for IVF treatment, which may be the only option for them to achieve conception and offspring. According to a ruling by the Supreme Court, reproduction is considered a major life activity, which Reproductive Specialists had hoped would encourage insurance companies to include IVF as a covered service, however, since costs associated with IVF can be extensive, and with the increase in the birth of pre-term infants associated with multiple birth following IVF treatment, there is hesitance in the insurer community to move forward with IVF insurance coverage, within the general health insurance plan. There is, however, an option to purchase insurance specifically for IVF, through some specialty insurance providers, which may offer some assistance in financing IVF. Prior to initiating any type of infertility treatment, meet with your insurer to determine which services are covered and with what level of copay. Also, check out other financing options and IVF insurance policies with other companies.


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Cryonics Directory

In Vitro Fertilization - Wikipedia
Information on IVF including procedures, medications, and complications.

In Vitro Fertilization
Infertility is the inability of a couple to become pregnant (regardless of cause) after 1 year of unprotected sexual intercourse<font style

In Vitro Fertilization FAQ
Explains the in vitro fertilization pre-embryo transfer (IVF-ET) fertility procedure.

in vitro fertilization (IVF) (medicine) -- Britannica Online ...
in vitro fertilization (IVF) (medicine), medical procedure in which mature egg cells are removed from a woman, fertilized with male sperm outside the body, and ...