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Conception Dates

Questions pertaining to the date a baby was conceived by the mother and father

676 Questions

If the ultrasound shows 4 weeks on November 5 when did conception take place?

http://pregnancy.about.com/cs/pregnancycalendar/l/blpregcalc.htm

this is a really good calculator of everything related to pregnancy. based on the date of your last period.

Is it possible to be pregnant with an IUD you are having symptoms and Have not had a period since Aug 28 2009?

There is a chance of becoming pregnant using a intrauterine device. The possible day of conception would have been from September 11th this then would give a birth date of June 4th 2010.

When is the best time to conceive-?

The best time to conceive is when a woman is ovulating. In a regular 28 day cycle, ovulation would occur roughly around mid-cycle. This is when the egg is being released from an ovary and is ready to be fertilized by sperm.

When did i get pregnant if my due date is November 1st 2009?

I will assume you are talking about November 19th 2011. If so, it makes your conception date roughly February 25th 2011. This date could be wrong by a couple of days though. It depends on the length of your menstrual cycles.

How incorrect of a due date can an ultrasound show?

I believe that my due date from my ultrasounds were 2weeks wrong. They say i were due March 9th, but i believe i were due Feb 22nd. I ended up having my bub on March 7th and she looked well cooked. I would say they could be wrong but probably no more then 2 weeks either way of the date they give you. You have 2 rememeber the date is only an estimate, if you know what day your last period was or when you last had sex, if your able to work out your own date i would say somewhere in between your date and the ultrasound would be the due date.

Is there a difference in how long XY-chromosome sperm for boys and XX sperm for girls live?

Sperm for Girls and BoysYes. The X sperm (which are the sperm that make females) live longer than the Y sperm (which are the sperm that make males). However, the Y sperm swim faster, so the chances are equally good that you will get a girl or a boy. If the Y sperm swim fast enough before they die to fertilize the egg, then you'll have a boy. If the Y sperm don't reach the egg before they die, chances are an X sperm will get there shortly, and then you'll have a girl.

Here is more input and advice:

  • X sperm are stronger than Y sperm but both will perish very quickly if allowed to dry out.
  • The female carrying sperm are the slower sperm because of the genetic material it carries. The female sperm contain an X chromosome, while the male carrying sperm contain a Y chromosome. The Y chromosome is very small and contains very little genetic material in comparison to the X chromosome, so the male carrying sperm are able to swim faster and reach the egg sooner than the X carrying sperm.
  • A baby's gender is determined by the chromosomes in the sperm, not the egg. XX makes female, XY makes male, all eggs contain an X chromosome, so sperm donates other X or Y chromosome. Female sperm live up to 5 days, male sperm up to 3 days. (Egg lives 12 to 24, maybe even 36 hours after ovulation.) Female sperm live longer but swim slower than male sperm. (Vaginal environment supposedly contributes to sperm longevity, alkaline/acidic - male sperm prefer baking soda douche prior to sex, female prefer acidic (vinegar) (supposedly) - but most importantly of all, male swim quicker, so for male baby, have sex within 6 hours before ovulation, to beat female sperm to egg. Vice versa, for female baby, have sex 3-4 days before ovulation, for better chances of having a girl baby. Test for ovulation with home ovulation testing kit, get familiar with when you ovulate, and plan accordingly for future ovulations and future timing of intercourse.
  • Men produce two types of sperm, those containing the X chromosome, female sperm, and those containing the Y chromosome, male sperm. Sperm are being produced continuously, they take about a month from the beginning until they are mature. As the Y chromosome is smaller than the X chromosome the male sperm is lighter and faster than the female sperm and therefore gets a head start towards the egg. Female sperm being heavier have more staying power and can keep going for longer.

This is not really true

What your discussing is Dr. Landrum Shettles method and his research has been question by better scientist than him. He was trying to sell a book.

There's no dispute that the X chromosome is bigger than the Y chromosome, as this photo clearly shows. But the sex chromosome is only one of the 23 chromosomes carried by a sperm -- in total, an X sperm carries only 2.9% more genetic material than a Y sperm. As you can see, the difference isn't that great.

Total DNA in X Sperm

Total DNA in Y Sperm (2.9% less)

Data from the study shows that, not only are X and Y sperm indistinguishable from one another, even abnormal sperm cells with the wrong number of chromosomes -- too many or too few chromosomes -- cannot be identified by having a different shape or size.

When did you conceive if your due date is April 19?

hi well i am due April 22 and conceive on or around the 27 to the 1 of august does this help

my periods were 12th of July had sex 24th of July and the 5th of august with different partners who could be the dad

When is your due date if you conceive July 7?

January 17th 2011? That would make it roughly April 25th, give or take a few days. However, it is difficult to accurately say when a conception date is. Therefore, I suggest talking to your doctor, midwife or obstetrician about it.

You conceived on October 28 when is your due date?

July 21st is your EDD but you can have the baby 3 weeks either side of this quite normally.

Could you be pregnant if you had protected sex last month took i-pill to be safe got your period 4 days early but haven't got it this month as it is 3 days late?

It often takes a couple months for your body to become regular after using Emergency Contraceptives. The first month (immediately following the I-Pill) menstruation is sometimes early - the following month it may be late.

As long as you are having protected sex you are probably not pregnant. If worried take a home pregnancy test to be sure.

If due date was sept 25 when did you conceive?

You got pregnant on the 25th of dec and ovulated on 31st-early January.

When would be the due date if child is conceived November 17 2009?

Based on a normal gestation period of 40 weeks the due date is August 10th 2010.

What day did you get pregnant if your due date is September 22?

If your due date is October 23rd 2008 the conception date would be Thursday, January 31, 2008 This answer is based on a 28 day cycle and may not be accurate with for a woman with a different cycle.

If you had your baby on April 162008what day was he conceived on?

It depends what his due date was.....it can be worked out from the due date but not from the date he was actually born on. You can send me a message with his due date and I'll find out what his coneption date was if you want?

You are 16 weeks pregnant but the babys size is closer to 17 weeks would that change your due date or is the baby just big?

I would not change my due date. Babies grow at different rates and times in the womb. Some babies will take a little longer to grow than others. Some will wait till closer to time to really start growing and others will slow down when it gets closer to time. If you know when your last period was I would go with that date. Also be aware that babies do not come on any set day. They can be early or late. Pleanty of women have carried that babies up to 3-4 weeks "late". You baby knows when it is time to be born. They may need a few extra days in the womb to develop. Give them this time. You do not want a pre term baby just because you have a set date. I have also found that Midwifes are a lot more baby friendly than Doctors can be. If you can find a Midwife in your area I would at least give her a call. You can go to a Midwife and doctor at the same time. Midwifes seem to have more time to spend with you and are very understanding of all your needs and questions. Birth centers run by Midwife are a very ideal place to have your baby. I would check one out if I were you and see if you would like to deliver there. Again this is just as safe and maybe safer than a hospital. Good luck with your baby!

How many weeks are in a pregnancy?

Forty weeks.

36 weeks is standard but not everyone carries until full term and some go past the 36 week mark.
Most doctors count 40 weeks from the first day of your last period.

You had your baby dec 2 when did you conceive?

It depends on whether the due date was December 2nd. It is roughly March 10th, give or take a few days. However, it is difficult to accurately say when a conception date is. Therefore, I suggest talking to your doctor, midwife or obstetrician about it.

Due the 26th march 2009 when did you conceive?

The approximate date of conception was July 3rd 2008

When did I conceive if my due date is December 31st 2008.Doctors are not sure how far along i am.?

For the doctors to come up with a due date they would have estimated the time of conception. I'm assuming you've probably had an ultrasound for them to get an idea of how far a long you are, and they should be able to give you an idea about when you conceived. You should ask your doctor at your next prenatal appointment. I'm due the same day as you and next week I will be 16 weeks along. We did fertility treatments so they didn't have to guess so much at my conception date. We did IUI on April 8th, so the egg and sperm would have met by April 9th. J Good luck to you and your pregnancy!

If your due date is Jan28 when did you conceive?

Roughly April 26th 2008, give or take a few days. However, it is difficult to accurately say when a conception date is. Therefore, I suggest talking to your doctor, midwife or obstetrician about it.

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