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A developing fetus at week 16 of pregnancy, indicating the stage where the sucking reflex begins.

Week 16 - The Sucking Reflex 

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Bobo Team  •  Pregnancy  •  2 min read

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Congratulations on reaching the 16-week mark of your partner's pregnancy! As you continue this incredible journey together, your role as a supportive partner grows more significant with each passing day. Here's how you can support your partner and bond with your baby during this stage of pregnancy:

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Your Baby's Development


At 16 weeks into your partner's pregnancy, the baby is about the size of an avocado. During this stage, the baby might have developed the sucking reflex, potentially even starting to suck their thumb. Their eyes are also becoming capable of perceiving light, while their skin is thickening as they grow.

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The Mid-Pregnancy Ultrasound: Peek into Your Baby's World


A notable event during this phase is the mid-pregnancy ultrasound, usually arranged between weeks 16 and 20. If you haven't scheduled it yet, consider consulting your healthcare provider for advice.

Here is what they will assess during this scan:

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  • Determining Gestational Age: Ultrasound helps determine the age of the unborn baby accurately. This information is vital for tracking development milestones and ensuring proper prenatal care.

  • Monitoring the Heart: One of the highlights of the ultrasound is observing the beating heart of the baby. This visual confirmation provides reassurance and allows healthcare providers to monitor the baby's cardiac activity.

  • Checking for Abnormalities: Another crucial aspect of the ultrasound is the detection of any abnormalities, particularly concerning the head and spine. Early identification of potential issues enables timely interventions and appropriate medical management.

  • Identifying Multiple Pregnancies: Ultrasound can confirm the presence of twins or multiple pregnancies, offering valuable insight into prenatal care and delivery planning.

  • Assessing Placental Position: Additionally, ultrasound helps pinpoint the exact position of the placenta within the uterus. This information is essential for assessing placental health and ensuring optimal blood flow to the baby.

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Partner's Role in Healthcare Decisions: Screening Tests

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As the pregnancy progresses, it's essential to be aware of various healthcare options, particularly concerning screening tests, to ensure the well-being of both the mother and the baby. Throughout pregnancy, several screening examinations are available to assess potential developmental concerns in the fetus.

  • Alpha-fetoprotein assay: Administered in week 16 to gauge alpha-fetoprotein levels in the blood. This is a substance produced by the fetus's nervous system tissue, which can indicate conditions such as spina bifida or Down syndrome. However, elevated AFP levels might also indicate an advanced gestational age or multiple pregnancies. Conversely, low AFP levels could suggest Down syndrome or an inaccurate estimation of gestational age. Given the nature of this screening, any abnormal findings prompt further diagnostic tests.

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Partner's Role in Healthcare Decisions: Diagnostic Tests


In addition to screening tests, there are diagnostic procedures available for more precise assessments.

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  • Amniocentesis: Typically conducted between week 16-17. This is an option for women with abnormal results on screening tests or those over 35, who have a higher risk of having a baby with abnormal chromosomes. It involves inserting a hollow needle through the abdomen into the uterus to withdraw a small amount of amniotic fluid for testing. While it provides valuable genetic information, women considering amniocentesis should be aware of the increased risk of miscarriage associated with the procedure.

  • Fetoscopy: Typically performed after week 16 of pregnancy. It involves making small incisions in the mother's abdomen and uterus to insert a miniature telescope-like instrument into the amniotic sac. This procedure enables visualization, photography, and the collection of blood and tissue samples from the unborn baby. Unlike amniocentesis, fetoscopy can detect specific blood and skin diseases, but it carries a higher risk to the baby and is less commonly used as a result.

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As partners in this journey, it's crucial to discuss these healthcare considerations together and make informed decisions based on the guidance of healthcare professionals. Your active participation and support is necessary as you navigate the complexities of pregnancy and parenthood.

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Disclaimer: All screening information is sourced from the Government of Manitoba website. However, due to limited resources and availability, not all screenings and diagnostic tests may be conducted.

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Physical and Emotional Change


Continued symptoms for the mother such as breast growth, constipation, gas and bloating, varicose veins, bleeding gums, "pregnancy brain" forgetfulness, headaches, and vaginal discharge may persist. Furthermore, she may also encounter backaches resulting from the expanding uterus, which can strain abdominal muscles and put additional pressure on the lower back.

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Supporting Your Partner


During week 16 of pregnancy, partners can offer crucial support to mothers by understanding and empathizing with their evolving physical and emotional needs. It's essential to acknowledge the continued presence of symptoms like fatigue, nausea, and potential discomfort from bodily changes. Gestures of love, reassurance, and patience go a long way in helping mothers feel supported and valued during this transformative time.

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Sources:

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Articles have been medically reviewed by an obstetrician gynecologist. This information is provided for educational and entertainment purposes only. We do not accept any responsibility for any liability, loss or risk, personal or otherwise, incurred as a consequence, directly or indirectly, from any information or advice contained here.

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