About 14-15 weeks into pregnancy the fetus is about 9cm long so it was conceived 12-13 weeks ago.
At thirteen weeks the fetus is fully formed and as long as your doctor knows you are pregnant when prescribing he/she feels thst the benefits outweigh any problems.
approx 13 weeks
About 13 weeks, give or take a few days.
13 weeks
At 6 weeks post-conception, the fetus looks like a little blob - the spinal column has started to stand out and you might make out the eye sockets starting to fold back in. Otherwise, it looks like any vertebrate fetus and is not visually identifiable as human.
A baby should weigh about 3 lbs in week 30. I had an ultrasound at 32 weeks and the baby weighed 3 lbs. My doctor said its a little small but nothing to worry about.
about 13 months
10.1
around 13 weeks
3 months
The first trimester ends at week 13, when the developing embryo becomes a fetus.