Top
20
Doctor insights on: How Do Birth Control Pills Work To Prevent Pregnancy

Share
1

1
How do birth control pills work to prevent pregnancy?

How do birth control pills work to prevent pregnancy?

BCP: Works in three ways, 1- by inhibiting ovulation, 2-by creating a very thin lining(endometrium), making it difficult for a fertilized egg to implant in the uterus, 3-creates a hostile cervical mucus that doesn't allow the sperms to undergo capacitation and swim freely upstream. Also decreases to motility of the tubes making it difficult for sperm and egg to get together. ...Read more

See 1 more doctor answer
Dr. Tiffanie Noonan
1 doctor shared a insight

Birth Control Pills (Definition)

Also known as oral contraceptives, birth control pills are highly effective oral medications that use hormones to prevent pregnancy. There are two main types of birth control pills: one with estrogen and progestin (also known as the combination pill) and one with just progestin. The two main ways they prevent pregnancy are: 1) The hormones thicken the cervical mucous, which keeps sperm from entering the uterus on their way to the egg; and 2) By maintaining a level of hormone in the blood stream that prevents the ...Read more


2

2
How does birth control pills (Microgestin 1/20 FE) work and how do they prevent pregnancy?

How does birth control pills (Microgestin 1/20 FE) work and how do they prevent pregnancy?

Block ovulation: Simply, birth control pills block both the formation of a dominant cyst as well as the hormonal surges that allow that to release an egg, thus blocking ovulation. ...Read more

3

3
Can all birth control pills prevent pregnancy?

Yes: All birth control pills prevent pregnancy. They are an effective form of birth control as long as you take the pills each day. They can also help your periods to be lighter and less painful, and can decrease acne. ...Read more

4

4
Other than prevent pregnancy, what are some reasons why it'd be good to get birth control pills?

Other than prevent pregnancy, what are some reasons why it'd be good to get birth control pills?

Many: Great question! many benefits to bcp's have evolved over the last 40 or so years that they have been around, allow me to list a few: 1. Regulate menses 2. Help to prevent ovarian cysts 3. Decrease heavy menstrual blood flow 4. Decrease cramping 5. Treatment for pcos (polycycstic ovary) 6. 5 years or more of use has been shown to decrease your risk of ovarian cancer in 1/2 there's more... ...Read more

6

6
Does birth control pills serve any purpose other than preventing pregnancy?

Does birth control pills serve any purpose other than preventing pregnancy?

Birth control: Yes they are very useful for helping painful or irregular periods and also can help mood control. ...Read more

8

8
I just switched to nuvaring from oral combination birth control pills. How long will it take for the nuvaring to prevent pregnancy?

No waiting: If you switched straight from the pills to the ring without missing any active pills or being late starting the ring, there should be no waiting period. ...Read more

9

9
How effective are low dose birth control pills at preventing pregnancy

How effective are low dose birth control pills at preventing pregnancy

93% effective.: At your age, even with proper use the oral contraceptives (irrespective of low-dose or not) as ~93% effective in preventing undesired pregnancy. Talk to your gynecologist for other contraceptive options, such as the iud that is much more effective in pregnancy prevention and can last up to 10 years without having to remember taking a pill daily. ...Read more

See 1 more doctor answer
10

10
Are low dose birth control pills any less effective than higher doses at preventing pregnancy?

Dose and birth contr: The most important thing will all birth control (also known as oral contraceptives) is that you consistently take them. Missing doses and taking medication with other medicine and foods (herbs) can affect the effectiveness of the birth control pills. Please know pregnancies can occur even if everything is taken perfectly. Birth control is about 98% effective so there is a chance of pregnancy. ...Read more

See 1 more doctor answer
11

11
If taken all the birth control pills, can the sugar pills prevent pregnancy as a placebo effect?

If taken all the birth control pills, can the sugar pills prevent pregnancy as a placebo effect?

No: While taking the "sugar pills" - the menstrual period should start - women do no conceive during the menses. The failure rate for ocp's is about 3% - so ovulation and conception can occur while taking the pill. ...Read more

12

12
Can you rely only on birth control pills when having sex to prevent pregnancy? with the same partner and never missing a pill.

Can you rely only on birth control pills when having sex to prevent pregnancy? with the same partner and never missing a pill.

Should: If taking properly, birth control pills are very effective, upwards of 99% effective. Other medications though, like antibiotics, may decrease the effectiveness of them and there are rare cases of pregnancy despite taking the pill. Chances are in you r favor of not being pregnant if taking the pill appropriately. ...Read more

13

13
If she takes birth control pills then are the sugar pills as effective at preventing pregnancy as a placebo effect?

If she takes birth control pills then are the sugar pills as effective at preventing pregnancy as a placebo effect?

No: The "sugar" pills are there to maintain a regular dosing schedule. Once the 3 weeks of active pills are finished, the hormonal trigger for menstruation occurs, & a period will follow. The "placebo" pills have nothing to do with the period other than to keep the schedule on routine. But one can't get pregnant during the period, so pregnancy is still prevented even though the pills are not active. ...Read more

14

14
Is birth control pills, condoms, and a vasectomy a good combo of contraceptives to prevent pregnancy?

Is birth control pills, condoms, and a vasectomy a good combo of contraceptives to prevent pregnancy?

Contraception : Yes. All 3 of those together are very protective against pregnancy. Generally speaking, pregnancy would not be an issue after a male partner has obtained a vasectomy. This procedure would need reversal in order for pregnancy to occur. When used correctly birth control alone is 99.9% effective. Condoms are about 98% effective when used correctly. ...Read more

16

16
My gf and i had an unprotected sex for 3 consecutive weeks, she told me to ejaculate inside her. This week supposed to be her perioid. Can she still prevent pregnancy by taking birth control pills?

Too late: Her advice is exactly how to get pregnant. At this point, she either didn't conceive, in which case you will know when her period comes, or she did conceive, in which case taking bcps won't prevent the pregnancy. Starting the pill at this point will only complicate issues. She will be able to tell she is pregnant by waiting until a week after her missed period, and then a urine preg test will be +. ...Read more

17

17
Does anti-depression medicine affect the effectiveness of birth control pills? Take other precaution to prevent pregnancy?

Does anti-depression medicine affect the effectiveness of birth control pills? Take other precaution to prevent pregnancy?

Generally No: Antidepressants generally do not alter the effectiveness of Birth control, but to be safe it is recommended to use condoms as well which help prevent STI's as well as pregnancy. So in using both BCP and Condoms, you would be safer. Best wishes. ...Read more

See 1 more doctor answer
19

19
Im gona marry soon, doctor says not gud to tak birth control pills coz i hav cysts in my breast, wht u advise me 2 prevent pregnancy without condom too?

Im gona marry soon, doctor says not gud to tak birth control pills coz i hav cysts in my breast, wht u advise me 2 prevent pregnancy without condom too?

IUD.: An intrauterine contraceptive device may be the best choice for someone in a mutually monogamous relationship that desires long-term, reliable reversibe contraception. Talk to your gynecologist to see if Mirena (levonorgestrel) or paragard could work for you, . ...Read more

20

20
been leaving my birth control pills in my car while at work all summer.I just heard heat makes them less effective? Very worried! chance of pregnancy?

been leaving my birth control pills in my car while at work all summer.I just heard heat makes them less effective? Very worried! chance of pregnancy?

Birth control: In general you should not leave any medication in your car. Depending on how long you have been on the pill, the chances of you being pregnant are relative. Suggest you get a new prescription and consult your GYN if you are worried, but usually OK unless you just started the pill. If you are off schedule in any way, please get a pregnancy test. ...Read more

Dr. Suzanne Galli
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


Dr. Jeff Livingston
2,360 doctors shared insights

Contraception (Definition)

Contraceptiion is a means of preventing conception (or fertilization). There are hormonal and non hormonal methods of preventing sperm and egg from meeting. Talk to your doctor or clinic about what options are best for you. There are short acting methods (condoms, pills, patch, ring) and long ...Read more