17 votes
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How long will it take to show the signs of pregnancy after intercourse

Assuming pregnancy takes place, the only reliable sign that a woman is pregnant is cessation of her menstrual period. If she's late, urine tests are a reliable way to confirm pregnancy, especially if ...
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12 votes
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How much Vitamin B12 do you need?

The estimated daily requirement needed to maintain body stores of B12 varies, an estimate being from 2µg to 5µg, more if stores have been depleted in any way. It is estimated that the average person ...
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11 votes

Pregnancy and flying

Specific to the health of the baby, no, you should not have any concerns over a single flight, or even over an occasional flight. From the American Congress of Obstetricians and Gynecologists is this ...
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  • 211
10 votes
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Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is bad. Really bad. It will be damaging to the baby, and possibly even to the mother. Firstly, smoking during pregnancy increases the risk of miscarriages. It can also cause ...
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  • 7,717
9 votes

Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is related to many effects on health and it increases the risk in children as well. Even if the mother doesn't smoke, the risk increases significantly with higher amount of ...
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  • 4,697
8 votes
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How soon can you know if you will have twins, triplets and can one increase this chance?

First of all, just to be clear: IVF-associated twinning and “tripletting” are most commonly of the dizygotic (“fraternal”) variety. You appear to be asking about monozygotic (“identical”) twinning ...
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  • 4,355
7 votes
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Risks of having an unwanted child - worrying as a man

She had two periods afterwards so she is not pregnant. Who are you to demand that she take a test? You pretty much called her a liar when you did that. If you can't or won't accept her at her word ...
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  • 9,346
7 votes
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How to check pregnancy at home?

Without access to a doctor, a home pregnancy test is the most accurate way. It measures the amount of a hormone (hCG) in your urine (see for example WebMD's site on pregnancy tests for more ...
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  • 6,998
7 votes

Root canal before trying to get pregnant

The anesthetics used for the root canal are not very long lasting. An example of the longer-acting local anesthetics is Bupivacaine. The average half-life of Bupivacaine Hydrochloride in adults is 2.7 ...
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7 votes

Are there ways to calculate the chance of becoming pregnant from a single sexual encounter?

There are many facts to consider in answering the question, but in effect, yes, one can calculate the chances. Things to consider: type of condom correct usage of condom point in the menstrual cycle ...
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6 votes
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In childbirth, can one twin's arm stick out of the womb and then the other child is born first?

"When the time came for her to give birth, there were twin boys in her womb. As she was giving birth, one of them put out his hand; so the midwife took a scarlet thread and tied it on his wrist and ...
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6 votes
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Alcohol consumption during pregnancy

High levels of alcohol consumption during pregnancy can be harmful which can develop physical and mental defects in a fetus. When you drink, alcohol passes from your blood through placenta to a baby ...
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  • 4,697
6 votes

Can Smith-Lemli-Opitz Syndrome be caused by medication?

The following is of course, in case the diagnosis is confirmed. SLO is an autosomal recessive pathology, which means both parents are carrier of one mutated allele of the DHCR7. They do not express ...
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  • 441
6 votes

Can Smith-Lemli-Opitz Syndrome be caused by medication?

Smith-Lemli-Opitz syndrome is a genetic condition that only occurs if both parents are carriers of the mutation. For each chromosome that isn't a sex chromosome, we get one copy from each parent, so ...
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  • 6,998
6 votes
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Faint line on pregnancy test

Any line, including a very faint line, is considered a positive result on home pregnancy tests. To be sure, you may want to wait a couple of days (2 or 3) and then take another test. If you are ...
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  • 7,717
6 votes

Clonazepam and pregnancy

This is an issue for which YOU NEED to have a risks-benefits discussion with a doctor. Only they can help guide you whether to continue the medication or not, as there may be risks either way. I am ...
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  • 5,694
6 votes

What is the life expectancy of a sperm in dried semen?

There's no need to worry. Getting pregnant isn't that easy.1 It's unlikely that sperm survive for 2 hours. On a dry surface, such as clothing or bedding, sperm are dead by the time the semen has ...
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  • 6,574
6 votes
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In an emergency situation, how does the medical doctor determine that an unconscious patient is pregnant?

While the blood pregnancy test is one option, urine pregnancy tests are still possible in an unconscious patient via a Foley catheter, which is a tube inserted up the urethra into the bladder. These ...
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  • 1,261
6 votes

Risks for VBAC vs repeat Cesarean

This question is difficult to answer because risk discussions are individualized. Instead of answering, I will point you to reliable resources to guide your discussion with your OB. One great ...
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  • 5,694
5 votes

Effect of mother's emotional state on baby

Yes, a mother's emotional state can, unfortunately, adversely affect the fetus, and the effect can in some cases can be long-lasting. To put it simply, your genetic code is the blueprint of your ...
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5 votes
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Are there other uses for prenatal vitamins?

There's a number of medical reasons to take the pill other than preventing pregnancy : Regulating menstruation to avoid having irregular, overly frequent, overly abundant or painful periods, as well ...
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  • 441
5 votes
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What is the effect of smoking before or during early pregnancy on the baby?

While most studies appear to be on women who quit during pregnancy, I found a study that compared pregnancy outcomes in women who never smoked, quit smoking before pregnancy, quit smoking in early ...
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  • 6,998
5 votes

Will maximizing my ejaculation load help to increase my chances of becoming a father?

No. The only exception is if your doctor has conducted a semen analysis and determined that you have oligospermia, in which case your doctor might recommend having sexual intercourse with your wife 3-...
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5 votes

Is there any truth to the claim that pregnancy is somehow a health risk to women?

In the U.S., 14 in every 100 000 pregnancies are fatal for the mother. While this may not seem much, consider the following graphic: In picture B and D the blue bars indicate deaths due to ...
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  • 6,574
5 votes
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Is O positive male compatible (fertility wise) with AB positive female?

This is something to be confirmed by your doctor and I'm not sure why you're worried, but ABO blood group incompatibilities between the mother and child does not usually cause hemolytic disease of ...
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  • 3,769
5 votes

What is the fetal viability of a full-term birth baby?

The concept of fetal viability is really only relevant when discussing premature infants. You are correct that the wikipedia figures are difficult to interpret. They come from this website, which is ...
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  • 3,153
5 votes

Maximum time after fertilization, after which pregnancy test no longer works

The tests work until after full-term. The urine and blood tests both rely on detecting the same factor being present, human chorionic gonadotropin. The tests continue to work fully in all cases of ...
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4 votes

Alcohol consumption during pregnancy

Drinking alcohol can have some detrimental effects. While someone is pregnant, binge drinking of alcohol is very dangerous, while mild-to-moderate is more safe, but still not advised. "When a ...
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  • 7,717

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