Results 1 to 4 of 4

Thread: When does the blastocyst become an embryo?

  1. #1

    Join Date
    Jul 2004
    Posts
    5,756

    Default When does the blastocyst become an embryo?

    I have heard conflicting answers. One site says 4 weeks, another says 5 weeks. Which do i believe? Or is it just pretty much a guess between those weeks?


  2. #2

    Join Date
    Jun 2005
    Location
    Blue Mountains
    Posts
    5,086

    Default

    erm... I'm not sure! I think it's when it implants? I thought the blastocyst was just the cells dividing whilst travelling down the tubes, then it implants. Don't really know tho. That would make it more like 3 weeks tho wouldn't it.

  3. #3

    Join Date
    Nov 2005
    Location
    QLD
    Posts
    3,068

    Default

    Hi Tegan

    Most people say 4 weeks

  4. #4

    Default

    The blastocyst reaches the uterus at roughly the fifth day after fertilisation, and implants into the uterine wall on about day six. At this point in the mother's menstrual cycle,
    the endometrium (lining of the uterus) has grown and is ready to support a
    fetus. The blastocyst adheres tightly to the endometrium where it receives
    nourishment via the mother's bloodstream.

    During the time between implantation and the eighth week, the cells are called an embryo.
    So yeah up to a week after conception going by that.

    Love

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •