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10 Pre-Menstrual Symptoms That Can Also Mean You're One Month Pregnant
  • You probably have no idea that you're pregnant during the first month of your pregnancy. Many women don't notice any symptoms or even that their period is a bit late until the second month of pregnancy. 


    Technically speaking, the first month of your pregnancy encompasses your ovulation date and conception. When the exact date that you become pregnant depends on your menstrual cycle. 

    Doctors use the first day of a woman's last menstrual period (LMP) to compute the baby's estimated due date (EDD). This is why a pregnant woman's due date is an estimate — she can go into labor three weeks before her EDD or two weeks after.

    Pregnancy symptoms and signs at one month

    After conception, your body will start going through many changes even if you won't feel any symptoms yet until maybe towards the end of your first month of pregnancy. 

    Once the fertilized egg implants itself in your uterus, your body will start to develop a placenta and produce hCG (human chorionic gonadotropin), the same hormone detected by at-home pregnancy test kits. Your body's hCG levels are increasing rapidly. However, it may still be too low to be detected even by the most sensitive pregnancy test kits.

    Aside from the hCG hormone, your body will also start producing the pregnancy hormones progesterone and some estrogen. These hormones will help your body nourish and support future fetus until the placenta is fully formed and functional.


    You'll only start to notice a few early pregnancy signs by the period is about to arrive, or so you think. Many early pregnancy symptoms are the same as pre-menstrual signs. Check them out:

    Spotting and mild cramping

    If your period is not really due yet, but you have some light spotting for one to two days, this could be a sign of implantation bleeding. It's usually brown or pink in color and often accompanied by slight abdominal pressure or cramping.

    Frequent urination

    Your body will start producing more blood to sustain the developing embryo, and bodily fluids will follow suit. Expect to take more trips to the bathroom now, which will be even more frequent as your pregnancy progresses.

    Tender breasts

    There will be increased blood supply in your breasts brought because of pregnancy hormones. Your breasts may feel tender to touch. This is your body preparing for breastfeeding as early as now. 

    A heightened sense of smell

    You'll have as a whiff of certain food odors even if the source is miles away. The surge of the estrogen in your body can cause your sense of smell to be highly sensitive. 

    A metallic taste in the mouth

    Of course, you didn't eat a coin or any metal, but you swear you can taste metal in your mouth. Some preggos don't experience this if they're often chugging on citrus juices.

    Nausea and vomiting

    Some preggos already experience nausea or vomiting, and even both (morning sickness) without knowing that they're pregnant. Blame your rising hCG hormones for feeling queasy this early on in the pregnancy.

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    You may feel bloated all the time, and it's because of the rising levels of progesterone in your body. 


    You will want to rest and sleep a lot more than usual because your body is tired from working double-time to produce more blood and grow a tiny human being. 

    Mood swings

    You're not going crazy, but your hormones are. Pregnancy mood swings may also be partly due to the possibly overwhelming thoughts since you saw two lines on the home pregnancy test kit. 

    Baby's development at 1 month in the pregnancy

    If you suspect you are pregnant, an ultrasound still won't turn up much, but many things are going on right after conception. 

    As soon as the sperm fertilizes an egg, the resulting single-celled zygote will quickly divide and multiply exponentially into more cells in just a matter of hours. At this time, your baby's inherited characteristics are already set in stone at the moment of conception.

    After about four days, the ball of cells that was once a zygote, now called a blastocyst, will implant in your uterus. The blastocyst then divides into two. One part will form the placenta, your baby's lifeline inside your womb, and the other part will develop into the embryo. 

    Apart from the placenta, a yolk sac and your amniotic sac have also begun forming. The yolk sac will produce blood and will help nourish your embryo until the placenta is fully formed. It will later be incorporated into your baby's developing digestive tract.


    What to do in your pregnancy's first month

    There's not much to do except maintain a healthy lifestyle, keep off the vices, and do everything you can to avoid getting sick. Even if you feel like usual, treat yourself like a preggo. 

    • Take a pregnancy test. It's best to take a pregnancy test a week after you missed your period, but some women see two lines after being only two days delayed. Your doctor may order a blood test to be more accurate.
    • Go to your first prenatal checkup. Ideally, you should have had pre-pregnancy checkups. If you haven't had one, schedule a prenatal checkup as soon as you receive a positive pregnancy test result. 
    • Take your prenatal vitamins. Continue taking your folic acid and prenatal vitamins. Your doctor will prescribe these if you aren't taking them yet. Also, try to eat a balanced diet and get enough low-intensity exercises. 
    • Manage your pregnancy symptoms. Take more breaks if you have to, sleep and rest, and slow down your life's pace. This is the time to start listening to your body as it transitions into full pregnancy mode. 
    • Tell your partner and your family. Some couples wait until they're in the second trimester to announce their pregnancy. It's totally up to you. 


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