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Human Reproduction: Fertilization and Fetal Development

Uploaded by: abuhmeid
Video Description:
After fertilization, the embryo travels along the fallopian tube to the uterus, where it will grow.

Tags for this video: fallopian human reproduction sexuality uterus

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i know this comment ... ( 5 months ago by hollymoon21)

i know this comment is over an year, but to anyone who happens to come across this question: even if their bloods don't mix, certain substances pass from mother to son, such as antibodies. if these are eventually absorved into the fetus organisms, they may recognise its blood cells as antigens and fight them, thus harming the fetus :) this is what happens when the son is Rh+ and the mother, Rh- (the baby's blood holds a certain protein that his mother's doesn't).

Array ( 4 months ago by sidekick3iskool)

niggers.
that is all.

This is true, I ... ( 4 months ago by BlondeAphrodite)

This is true, I forget the term used for this condition but I'm a maternity nursing student and we've talked about this before.

The baby also ... ( 4 months ago by UnchangeableBird)

The baby also secretes neurokinin B, a substance that lessens the mother's immune response against the baby. The reason for this is that the baby and the placenta are more or less seen as a parasite or an organ transplant. The blood-fetal barrier is a good wall between the mother and child, but there are other measures like this put in place before it develops and if it fails. This is called parasitic cloaking. Neurokinin B is the same substance that parasitic nematodes secrete. Babies=parasites

Erythroblastosis ... ( 4 months ago by UnchangeableBird)

Erythroblastosis fetalis or hemolytic disease of the newborn. Dr. John Hunter, a Scottish surgeon discovered that there was a gap between the mother's and the placenta's circulatory system in the 1700s. If you find medicine interesting and not just dumb stuff like babies and chick flicks, you should read up on medical history. Also, read about above parasitic cloaking.

The quickness of ... ( 4 months ago by UnchangeableBird)

The quickness of development is due to oncogenes (cancer genes) that cause rapid cell division. They are gradually turned off as the baby develops, but are a powerful force in embryo and fetal growth. This is one reason why babies look so much like tumors.

my babymomma need ... ( 4 months ago by UhHuhFoShoDat)

my babymomma need sum chemo !!!! bitch cost me hella skrilla. i gotz ta be keepin my paper fo real.

omg it looks like a ... ( 4 months ago by chocolat80)

omg it looks like a baby within just 1 month

wat is it with ... ( 3 months ago by chopchop107)

wat is it with people posting stupid comments on random clips

its really amazing. ... ( 3 months ago by jodonz)

its really amazing...story of life creation...hey video uploader, can u delete all these spam comment in this site? all these emos desperately need some attention from Youtube user, dont they? i bet they all lonely teenagers who are isolated from the society and very sexually drive, bloody teenagers these days....

for all Youtube ... ( 3 months ago by jodonz)

for all Youtube netizens, plz help keep youtube clean, if u see any of these stupid perverted comments, give them a thumps down, report spam, and send them death threat if u wish to do so, altho i personally dont suggest it

Life begins at ... ( 2 months ago by Noosa1978)

Life begins at conception you know. Abortion is murder, not a choice.

Life begins at ... ( 2 months ago by Noosa1978)

Life begins at conception. Abortion is murder and is wrong.

that's ur opinion. ... ( 2 months ago by annasosexy)

that's ur opinion. technically if they can't breathe i mean how is that life. it it's not even baby yet. keep ur opinion to yourself especially on such a controversial subject. people have their reason. i'm sure if i was raped and had a great life ahead of me like i do now.. i would get an abortion. it's better than having a child in the hands of an unfit mother or in the system. you never know the real deal on abortion until ur put in the situation.

Do you want a taste ... ( 2 months ago by stonemand216)

Do you want a taste of me honey??
FASTSEXFINDER._COM

man was I ugly when ... ( 2 months ago by erospsyche)

man was I ugly when I was younger

I'm grateful I ... ( 2 months ago by Tikaany)

I'm grateful I couldn't see myself in the womb or remember anything about it or I'd be up half the night scared pissed of my fetal appearance.

omigod, I do that ... ( 2 months ago by erospsyche)

omigod, I do that all the time. I'm obsessive compulsive. haha

i no right .if you ... ( 1 month ago by shirmicka)

i no right .if you could remember the day you where born just scary .wait wait whetre the hell am i going , what is thi place .haaa haa lolz

Im watching this in ... ( 1 month ago by SuperXProductions)

Im watching this in health class because our teacher told us too :(

I think abortion is ... ( 1 month ago by amirko12345)

I think abortion is acceptable only in extreme cases (rape etc.). But personally I am against abortion, and in vitro fertilization also seems strange to me.

Sweet sexy angel ... ( 4 weeks ago by manilymano306)

Sweet sexy angel for fun!
FASTLOVERFUN(.)COM_

Abortion is good! ^^ ( 4 weeks ago by AtheistRaven)

Abortion is good! ^^

the beauty of life. ... ( 1 week ago by operation1enduring1b)

the beauty of life.. growing inside another human being i have attained enlightenment..