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The 6th week of pregnancy: what happens to the baby and mom

The 6th obstetric week of pregnancy corresponds to week 4 of “real” pregnancy. Obstetric terms differ from the actual, and one has to deal with this (can’t argue with doctors!).

So, what awaits you in week 6, dear mommies? Most likely, at this point you will learn that you are pregnant. Perhaps you have the first signs of early toxemia. The body begins to restructure itself, regardless of your ailments and problems. Your life will change forever. From now on, you have only one priority – the child.

The size and development of the fetus in week 6 of pregnancy

pregnancy week 6 size

The size of the embryo is 5-6 мм. The baby’s weight doesn’t even approach 1 gram. The inner diameter of the fetus is 18mm. The volume is 2187 mm3. In week 6 your baby resembles a small seashell with a tail, curled up in mommy’s tummy. But this “seashell” is a future person.

The embryo is developing very actively. The face begins to form: there are chin, mouth and cheeks. But embryonic gap are still present. Small bulges are located on the sites of future extremities. Inside the little organism serious changes are taking place:

  • The neural tube fully closes. The structure of the neural tube is close to the structure of the human nervous system.
  • Neural connections appear; the brain and skull begin to form. Depressions and gyrus form on the surface of the brain.
  • The beginnings of hearing organs are forming.
  • Bone marrow appears.
  • The immune system develops, thymus gland is formed.
  • The heart starts working. The little heart grows and forms a protrusion on the surface of the chest wall.
  • All the internal organs: stomach, lungs, pancreas, liver, continue to evolve.
[attention type=yellow]The placenta is just starting to form in the 6th obstetric week. During this time the placenta is nothing more than a small thickness on the side adjoining the uterus.[/attention]

What happens with the mom in the 6th week of pregnancy

Mom`s belly at the 6th weeks of pregnancy

The mother’s organism undergoes tremendous hormonal changes. Progesterone is actively generated. Progesterone protects the mother and baby’s organisms from infection, strengthens uterine walls, is involved in the fetus’s blood supply process. Despite all of its beneficial qualities, progesterone does have one downside – it slows down the mother’s digestive system. As a result, you may start to feel unwell.

The stomach is still growing slowly. Visually, it is almost impossible to perceive any changes in its size. If you are gaining weight, then you are overeating. Although, more than likely, your weight will actually slightly decrease due to toxemia. You can see a photo of a stomach at 6 weeks of pregnancy above.

Your sensations in week 6 of pregnancy:

  • Increased sense of smell, nausea, lack of energy.
  • Loss of appetite, change in taste preferences. Habitual foods may become repulsive, and vice versa.
  • Breasts and nipples become especially painful and sensitive. Milk glands begin to prepare for future lactation.
  • The type and volume of discharge may change. If the discharge is voluminous or foul-smelling – see a doctor. In the first trimester the presence of slight sticky bloody discharge during a time when you would normally start your period, is considered normal.
  • Perhaps you will experience a sensation of constant hunger. Control yourself and do not “eat for two.”

You may experience painful pulling sensation in your lower abdomen. Immediately seek consultation with a doctor. The appearance of pain can be equally related to a harmless stretching of the muscles, increased uterine tone, or a threat of miscarriage.

Analyses, examinations and ultrasound in the 6th week of pregnancy

Photo fetal ultrasound at week 6 of pregnancy

As a rule, in week 7 the majority of women will register for a consultation with a doctor. If you have not yet done so, it is desirable to do so now. Once you are registered, the doctor will refer you for further analyses and examinations.

An ultrasound is not required at this point in time. Many women voluntarily “refer” themselves for this procedure. They are just interested in seeing what is happening “inside.” A doctor will refer you for an ultrasound at 6 weeks only if there is a threat of miscarriage or other complications. You can see a photo of a fetus at week 6 of pregnancy, above.

[attention type=yellow]In the course of an ultrasound, the exact dimensions of the embryo are established. The “growth” of the little one is determined by the length from rump to coccyx. According to this size, the doctor is able to calculate an accurate term of gestation. This information is especially valuable for women with irregular periods.[/attention]

In week 6 the growth of the uterus is noted. The yolk sac next to the embryo can be visualized. The biggest significance of this procedure is the detection of the embryo’s heart activity. The goal of the ultrasound at this point is to confirm the development of the pregnancy.

Below you may watch a video of an ultrasound at week 6 of pregnancy.

The pregnant woman will also receive a referral for further examinations. In order to register, one must have reports of a dentist, optometrist, neurologist, ENT and nephrologist (if indicated). A cardiogram is immediately scheduled. The width of the pelvis, weight and arterial pressure will be measured.

Lab work:

  • AIDS (HIV), Hepatitis B, syphilis (RW);
  • Blood type determination, rhesus factor;
  • Clinical blood analysis;
  • Blood sugar and coagulability;
  • blood analysis for Torch-infection;
  • urine (biochemical analysis), blood sugar analysis;
  • urine (general analysis);
  • vaginal swab.

The HCG – chorionic gonadotropin – is a substance generated by the placenta for the duration of the pregnancy. The presence of this hormone is a 100% guarantee that a pregnancy has occurred. A typical pregnancy test is to check for the presence of HCG in the urine. At 5-6 weeks of pregnancy, the normal HCG level is between 1110-31500m ME/ml. This indicator must continue to rise throughout the first trimester.

Possible deviations from the norm

Not every pregnancy goes exactly “as planned.” Abnormalities and problems are, unfortunately, common. At the first suspicion of an abnormality, seek the advice of a doctor. Only a specialist can determine the severity of the danger and take appropriate measures.

Signs of a missed abortion at week 6:                                

  • Sudden disappearance of toxemia.
  • Breasts lose their sensitivity, become soft.
  • Sudden drop in basal temperature.
  • Cessation in dynamic HCG growth.
  • A feeling of being unwell, temperature above 37 for several days, chills, sharp pulling pains in lower abdomen, bleeding – immediately see a doctor!!

Do not worry about a small quantity of bloody or brownish discharge at week 6 of pregnancy. The presence of discharge at a time of supposed menstruation is considered normal. If the discharge has a foul smell, it is most likely a yeast infection. A yeast infection may develop due to weakened immune system and is easily treated by a doctor’s prescription.

[attention type=red]Intensive bleeding? Abdominal pain in week 6 pregnancy? Immediately see a doctor. It is possible that you are in the first stages of a miscarriage. If there is no doctor nearby, call an ambulance.[/attention]

Mom’s nutrition and exercise in week 6

Throughout the pregnancy and during week 6, it is important to pay special attention to your nutrition. If you have not yet gotten into the habit of a healthy diet, this is a good time to start. We are not even going to talk about excluding alcohol and nicotine – after all, you wouldn’t turn your child into an invalid of your own accord? Forget about these harmful habits for a long time, and better yet – forever.

Mom’s nutrition

Mom’s nutrition in week 6Most likely, during this period you don’t even want to think about good. If you are nauseous morning, day and evening, then even a bare mention of greasy, smoked or fried food may bring on a bout of vomiting.

But, perhaps, you are interested in something else? Chicken boiled without spices, mashed potatoes, a light salad, porridge with milk? Are your tastes are starting to veer to “children’s foods?” Good – your organism is leading you to what you should be eating.

If you are not suffering from toxemia in week 6, consider yourself lucky. In this case, we recommend that you voluntarily limit your food intake.

Listen to your body, and you will figure out what your baby needs. But don’t “overdo” it. Listen to your instincts and use common sense. Your baby will hardly benefit from three cakes eaten at night or a kilogram of chocolate candies. If you really crave something tasty but not very healthy, allow yourself a little bit. More than likely, after a fried meat dumpling or a smoked chicken wing, you will simply vomit and the desire for these forbidden foods will depart for a long time.


Regular exercises in the first trimester will help you to stay in shape and get ready for labor. Begin an exercise regimen only after consulting with a doctor. The main types of exercise for pregnant women are:

  • Improves blood flow, increases muscle tone, burns excess calories, increases oxygen utilization of the muscles.
  • Tones and develops muscles, improves posture. Performing these exercises reduces back pain, improves resilience and prepares for labor.
  • Relaxation techniques. Releases physical and mental tension, preserves energy and concentration.
  • Kegel exercises. Specifically designed exercises for strengthening of the vaginal and perineal muscles. This is optimal preparation for labor and the postpartum period.

Sexual intercourse in week 6

Sex in 6th week of pregnancyDoctors do not forbid sexual activity in week 6 of pregnancy. At this term, the fetus is well-protected and sexual activity can not harm it.

Contraindications for sexual activity include a chronic inability to carry to term (past miscarriages) and a general weak health of the woman.

If a woman suffers from toxemia, then the mere mention of sex may lead to a similar reaction as mentioning greasy food. Sex should bring pleasure to both spouses, which is why a spouse should be attentive and heed the desires (or lack thereof) of the pregnant spouse, especially considering that toxemia will soon subside and the woman can resume her spousal duties with her usual enthusiasm.

Recommendations for the future mommy

  • Select a suitable multivitamin with the help of your doctor. This multivitamin should contain all necessary substances, microelements and folic acid.
  • If you are nauseous in the mornings, then take measures to ease your condition. Before getting out of bed in the morning, eat a few salty crackers, and have a drink of fresh-squeezed juice. Eat regularly in small portions.
  • In the case of severe toxemia, see your doctor. He may prescribe a course of treatment which will relieve your severe symptoms.
  • Severe lower abdominal pain? Or intensive bloody discharge? Call an ambulance!
  • A bra made of natural materials will reduce unpleasant sensation in the chest area.
  • Do not overwork yourself. Let your close ones take on some of the household chores.
  • “Use your brain” as to your nutrition. Do not let your instincts guide you, but do not deny yourself small pleasures.

Video about week 6 of pregnancy

A charming 3D rendition of the baby at week 6. In this video, experts will talk about how to behave at this term, and how to reduce toxemia symptoms. They will answer certain questions. How to avoid a cold? What to do if you catch a cold-related illness?

[attention type=yellow]There are as many stories as there are pregnancies. Dear mommies (current and future), we invite you to share your stories with us. Tell us what you went through during your pregnancy. Tell us about your joys and your hopes. Your invaluable experience will help us all get through the difficult and exciting period of pregnancy, and await the birth of our little loved ones – the best ones in the world.[/attention]

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