The ongoing process of baby's organ development is called organogenesis. Baby's hands are more developed than feet, and arms are longer than legs.

Mother's develop a large increase in blood content to help the baby: eat foods with lots of protein and iron. Baby's eyelids are shut over developing eyes. Baby weighs 0.25 ounces or 7 grams. Baby is now 1.61 inches or 4.1 cm long.

Be sure to wash your hands thoroughly after handling raw meat and cook meat all the way through.

You'll probably receive ABO/Rh blood typing to check for blood compatibility between you and baby.

Bones begin to grow. Ribs and backbone are soft -- they'll harden later.

Lunar Month 4, 12 wks LMP (10 wks gestation) You may still be very tired and sick to your stomach. Hopefully this stage will be over soon, but some folks still remain nauseous and tired for several more weeks.

Baby weighs 0.49 ounces or 14 grams. Baby is 2.13 inches or 5.4 cm long.

By now external sex organs have usually differentiated.

Umbilical cord, carrying nutrients to the baby and the body waste away, is well formed at this point.

You may notice changes in your breasts. Your breasts are getting ready to produce breast milk.

The placenta weighs about an ounce. It will weigh about 1.5 pounds at birth.

13 wks LMP (11 wks gestation)The baby is starting to take form.

Buds on the side of the head begin to form into the outer ear.

Second doctor's app. Heard babies heartbeat, a strong 150 bpm, he has a strong heart

Many women develop a dark line on their abdomen. This is called a linea nigra. It usually goes from your belly button down to your pubic mound.

Baby weighs 0.81 ounces or 23 grams. Baby is 2.19 inches or 7.4 cm

Baby's vocal chords develop: They can cry (very very quietly).

14 wks LMP (12 wks gestation) You should place the lap belt of your seat belt UNDER your abdomen. This protects you and your unborn baby! Baby weighs 1.52 ounces or 43 grams. Baby is 3.42 inches or 8.7 cm long.

You may start to feel better with less nausea and mood-swings. However, it is also normal to continue with morning sickness and hormonal changes too.

The baby's finger and toe nails are starting to grow from their nail beds.
 

As your ligaments and muscles begin to stretch to accommodate your growing uterus, you may start feeling some cramp-like pains.

Feeling congested? Nasal congestion is common during pregnancy from swelling in the mucous membranes.

During the next few weeks, you may be asked to take an AFP (alphafetoprotein) screening test. Make sure you do your research and ask questions of your practitioner to be sure about the benefits and drawbacks of AFP testing.

A heating pad or hot water added to a towel can help those aching back muscles and provide some relief from the pain.

15 wks LMP (13 wks gestation) You're in the second trimester! Baby weighs 2.47 ounces or 70 grams. Baby is 3.98 inches or 10.1 cm long.

Early movements 'like butterfly flutters' can be felt as early as 14 or 15 weeks, although most women feel movement around weeks 18-20.