Week 4
(counting from
first day of last menstrual period)
Around 2 Weeks
After Conception
 Fetal
Development:
Taking root! Implantation
occurs. Once the blastocyst gets to the uterus, it
searches for a spot to settle down. Blastocyst means
"sprout pouch," and these cells begin to divide into two
groups - those that form the placenta and those that
form the baby. The blastocyst will burrow itself into
the lining of the uterus which is called implantation.
Multiples: Same as above times two,
or three, etc. See week three for more information on
twinning.
Maternal Changes:
At the end of this week, you'll be expecting your period
(or hoping it won't come if you've planned your
pregnancy). Some of the first pregnancy symptoms are
very similar to those experienced at the time your
period is due such as fatigue, breast soreness and mood
swings. You may be feeling these things and thinking "I
guess it didn't happen this month." Just wait a few days
. . .
Multiples: You probably
aren't even thinking twins yet unless you've had
infertility treatments. Your symptoms will be similar to
singleton moms but intensified.
Ideas for
Dad:
Is Mom ignoring you while she's waiting
and hoping her period will (won't?) start at the end of
the week? Or is she a clinging vine? Whichever (and
nearly everything in between) she is, she's normal. It
can be an emotional time for her.
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