Pregnancy
The events that lead to pregnancy begin with conception, in which the sperm penetrates the egg produced by an ovary.
Pregnancy & childbirthOverview
The events that lead to pregnancy begin with conception, in which the sperm penetrates the egg produced by an ovary.
Pregnancy lasts about 40 weeks, counting from the first day of your last normal period. The 40 weeks are divided into 3 trimesters.
- First Trimester (Week 1-Week 12)
- Second Trimester (Week 13-Week 28)
- Third Trimester (Week 29-Week 40)
Your baby develops throughout the pregnancy.
- At 8 weeks, all major organs and external body structures have begun to form. Your baby's heart beats with a regular rhythm.
- At 16 weeks, and in some cases, by 12 weeks, the sex of the baby can be determined. At this point, muscle tissue and bone continue to form, creating a more complete skeleton.
- At 20 weeks, your baby is more active and you may begin to start feeling movement.
- At 24 weeks, footprints and fingerprints have formed. In addition, your baby sleeps and wakes regularly.
- At 32 weeks, the bones are soft and yet almost fully formed, and the eyes can open and close.
- By the end of 37 weeks, your baby is considered full term. Your baby's organs are ready to function on their own.
As you near your due date, your baby may turn into a head-down position for birth.
It is very important you have regular visits with your healthcare provider. This consistent care can help keep you and your baby healthy.
It is also very important you live a healthy lifestyle like eating a healthy diet. This will ensure your baby gets the right amount of nutrients. There are also many other things you should be aware of to keep you and your baby healthy and safe throughout the pregnancy.
Symptoms
- Extreme fatigue
- Tender and swollen breasts
- Protruding nipples
- Nausea
- Food cravings
- Distaste for certain foods
- Mood swings
- Constipation
- Need to urinate more frequently
- Headache
- Heartburn
- Weight gain or loss
- Body aches (back, stomach, groin, or thigh pain)
- Stretch marks on your stomach, breasts, thighs, or buttocks
- Darkening of the skin around your nipples
- A line on the skin that runs from the belly button to the pubic hairline
- Patches of darker skin on face
- Numbing or tingling of hands
- Itching on stomach, palms, and soles of feet
- Swelling of ankles, fingers, and face
- Shortness of breath
- Having to urinate more often
- Heartburn
- Swelling of ankles, fingers, and face
- Hemorrhoids
- Tender breasts (may leak with pre-milk)
- Protruding belly button
- Trouble sleeping
- Contractions (can be real or false labor)
Causes & risk factors
The events that lead to pregnancy begin with conception. Conception occurs when the sperm penetrates the egg produced by an ovary.
The zygote (fertilized egg) then travels through the woman's fallopian tube to the uterus, where it implants itself in the uterine wall.
The zygote is made up of a cluster of cells formed from the egg and sperm. These cells form the fetus and the placenta.
When to get help
Start prenatal care early and keep regular visits. Seek urgent care for vaginal bleeding, severe abdominal pain, severe headache or vision changes, a baby moving less than usual, or signs of preterm labor.
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All information on this site is provided “as-is” for informational purposes only and is not a substitute for medical advice or treatment. You should consult with a medical professional if you have any questions about your health.