The blastocyst is firmly embedded in the lining of the uterus. Once this has happened, the placenta (the temporary organ that supplies the growing embryo with oxygen and nutrients) will begin to develop.
It’s a week since the egg was fertilized and it now implants in your uterus, where it will soon develop into an embryo.
Around seven days after fertilization, the blastocyst implants in the lining of the uterus. The outer cell layer, no longer protected, is able to attach to the lining of the uterus. The lining is now more receptive and has undergone changes that make it more “sticky” to aid attachment. The blastocyst erodes cells to sink beneath the surface of the uterine lining.
What was originally a single outer layer of cells now transforms into two layers. The outermost layer of cells creates space by eroding the lining, and it secretes hormones. These hormones inform your body that you’re pregnant and stimulate the uterus to support the pregnancy rather than shed its lining in what would normally be your period.
The innermost cell layer will become the placenta and the amniotic sac that encloses the embryo. Within the blastocyst there is an inner mass of cells that will form the embryo.
It can help to relax in this interim period, before you do a pregnancy test. Fill some time by getting in shape with these simple stretches. Getting into the habit of doing these exercises now will help your body cope with the increased demands once you know you’re pregnant. Stretch before and after exercising to prevent muscle strain.
To do a back stretch, get on all fours and lower your bottom towards your feet while stretching your arms out on the floor in front of you. Lower your forehead as far as you can, keeping your neck and back aligned, and stretch your arms as much as you can. Inhale slowly and then relax your back and arms as you exhale. Inhale and exhale 10 times.
1. Keep your hands flat on the floor
2. Make sure your neck and back are aligned
3. Feel the stretch
To do a leg stretch, sit on the floor and stretch your left leg in front of you. Using your left hand take hold of your left foot for a few seconds. If you can’t reach your toes, don’t worry. Inhale to begin and exhale as you stretch. Repeat with your right leg.
1. Hold your toes if you can
2. Feel the stretch down the back of your leg
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