Dr. Yonatan Mahller
Obstetrics & Gynecology
Orange, CA
14 years experience male
About
Bio
I grew up in Southern California and studied physiology and molecular biology. Then I attended the University of Cincinnati College of Medicine to complete a PhD and medical school. I completed residency in obstetrics and gynecology at Cedars Sinai Medical Center in Los Angeles.
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Obstetrics & Gynecology
Obstetrics and Gynecology
Doctor Q&A
120 Answers
89 Agrees
The number of answers this doctor has agreed with.
A 36-year-old male asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Ignore: Stretch your back muscles to prevent back pain in the end of pregnancy.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Possible: When an ovarian cyst ruptures, it can release some fluid which can irritate the abdomen. This pain should go away in a few days. Take Ibuprofen for pa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 36-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Anemia: Signs would be appearing pale, feeling tired and weak, dizzy or lightheaded.
Taking iron can help improve blood counts but it takes some time like ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Depends: Depends on your lifestyle and your gynecologic health. Sometimes your gynecologist will order std testing, hiv, pregnancy test, hormonal analysis, uri... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Very serious: Symptoms are headache, vision changes, and tenderness in the right upper abdomen. Preeclampsia is very serious as it can cause seizures and can be li... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Polyp: Could be a polyp or could need a pill with more estrogen. Hard to say without knowing more. See your gynecologist for more answers.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 49-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
No: It is not required to remove the ovaries if they are normal. If you have a family history of ovarian or breast cancer then it would be more recommend... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 18-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Lube: If the discharge was clear, probably was the lube form the speculum. Sometimes it happens.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Moms and babies: I became a physician to help people. I became a obstetrician and gynecologist to take care of woman at all ages including the special time of bringing... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 48-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
No: This is not a test gynecologists routinely perform.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 22-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unsure: Could be nothing or could be early sign of miscarriage. Take it easy, no sex, hopefully it will stop. If you develop cramping or bleeding gets worse... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 41-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Your period: This is your period. Estrogen stopped when you lost your ovaries. This is same as if stopping active pills of birth control and now taking placebo.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 38-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes take vitamins: Anyone trying to get pregnant should take prenatal vitamins with folic acid.
Wait for a few months to see when you get your period or use ovulatio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 28-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
6-12 mo: Stopping birth control should allow you to ovulate, however the pcos makes this more difficult. See a ob/gyn who can put you on metformin and Clomid ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 19-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Hard to say: There are many possible reasons for these symptoms. Make sure you aren't pregnant. Could be from an early period, polyp, fibroids, ovarian cyst. Se... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Lymoh node: Had to say without doing an exam, but most likely an infected lymph node. Put warm washcloth on it. Should get smaller with time. Go to doctor if i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 48-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Uncommonly: Endometriosis can cause pain anywhere in a body. It has been detected even in lung, brain, all over the abdomen and even in men.
If the groin pai... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 36-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Leave the cervix: Partial hysterectomy today means leaving the cervix and removing the uterus, so yes cutting the uterus (top of the uterus) off of the cervix (bottom o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unlikely: Endometriosis is related to estrogen. After menopause a woman's estrogen goes way down and endomtriosis isn't as painful. Thick lining of the uterus ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Bad: Submucous fibroids can make it harder to get pregnant and can cause miscarriage.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 23-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Go to clinic: Hi. Go to a prenatal clinic and get a pregnancy test or an ultrasound to see if you are pregnant.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unsure: You have symptoms of many conditions. I am an ob/gyn in orange, ca. I would be happy to help sort this out with you.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 43-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Depends: Depends on if the doctor did anything negligent during the surgery.
Unfortunately, complications of surgery do occur and fistula can occur even i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Every pregnancy is different. Some women feel true movements as early as 15 weeks. Fetal movement is not monitored during pregnancy until around 22-2... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Increasing pain with defecation can be a sign of worsening endometriosis. Make sure there is no other cause for your pain. Make sure you are not cons... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 19-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unsure: Could still be your period, check a pregnancy test as well. See your doctor if pain or irregular bleeding continues.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Nothing: Often times ovulation releases some fluid that can irritate the uterus as well.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 18-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Have lots of sex. If that doesn't work for one year, go see an ob/gyn.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Possibly: Could be just a late period or could be early pregnancy. Take a home pregnancy test to make sure you aren't pregnant. See a gynecologist is you have ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 32-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Electrolyte imbalanc: Could be an electrolyte (na, k, mg, ca) imbalance. Try eating bananas taking multivitamins and possibly magnesium gluconate tablets.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 18-year-old male asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unlikely: If the semen stayed on the outside it is unlikely.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
More tissue: Scarred would mean more tissue or the tissue is thicker. Have you had any procedures on your cervix. Sometimes after a procedure called conization t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 46-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
No: After total hysterectomy (removing uterus and cervix) a patient only needs to continue pap smears if they had a previous abnormal pap smear due to hpv... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 38-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Escpecially if the fibroids is pushing on your bladder. Get an ultrasound to determine the location of the fibroid.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 35-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Most likely: Most likely you are okay. You could be pregnant so take a home pregnancy test. You could also just have a period soon or be having abnormal pregnancy ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Ultrasound: You will need to get an ultrasound to determine exactly how far along you are. You are probably 4-5 weeks. You should get the ultrasound in 1 week.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Menstrual bleeding of a few blood clots is normal.
Endometriosis isn't really related to heavy flow. It is more related to pelvic pain, infertility... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Ovarian cyst: The hypoechoic lesion is an ovarian cyst. Ovarian cysts are normal in menstruating women. They can causes problems if they get bigger than 5-6cm.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 30-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Yes: Menstrual flow often changes during the course of the period. Often times is is light in the beginning, then becomes heavier for a few days and then ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.8k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Likely yes: If the bleeding pattern is about monthly and you have other symptoms of a period like cramping, breast tenderness then likely this is a period.
Per... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 29-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Sleep on sides: Sleeping on your back is bad during pregnancy as it decreases blood flow to the uterus. Best position is left side, then right side, then stomach then... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 32-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Dark circle: Benign cysts appear as dark black spheres, a cancerous lump would be bright white and solid.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
10%: More likely she is transitioning to menopause. Is she having hot flashes?
With that being said sometimes women can get pregnant at that age.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Due date is same: Ultrasounds can be a little off. The difference between your prior due date and new ultrasound due date is only one week. This is normal. Keep your... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 18-year-old female asked:
A 35-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Unlikely: Congenital heart defects are often times genetic. It is unlikely that a local anesthetic caused the malformation.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Ovulation predictor: You can use basal body temperature which can be inaccurate or you can get an ovulation predictor kit. You pee on a stick daily until it tells you whe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Not sure: Could be the hormones in yaz (drospirenone and ethinyl estradiol). Try a different birth control pill or a different method for birth control.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Could be: Take another pregnancy test in 3-4 days or go see an ob/gyn to determine if you are pregnant.
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. Yonatan Mahlleranswered
Obstetrics & Gynecology 14 years experience
Very light period: Your period is very light. Are you on any hormonal medications?
Created for people with ongoing healthcare needs but benefits everyone.
4.7k viewsAnswered >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
4
Recommendations
89
Thank you notes
Dec 3, 2013
Very timely and accurate responses.
HealthTap member
Mar 30, 2015
Dr. Mahller is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Mahller is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! Im going to follow up with my OB but hearing this 2nd opinion is great
HealthTap member
This saved my life. Thank You! Wow I really had no idea. I know I'm anemic. I'll call right away now,
HealthTap member
Thanks for your quick reply! Thank you. I went to obgyn and said it's to early to test.
Education & Training
Medical/Graduate school
University of Cincinnati College of Medicine, OH
Graduated 2009MD
Medical/Graduate school
University of Cincinnati College of Medicine, OH
Graduated 2007MD
Residency
CEDARS-SINAI MEDICAL CENTER
Completed 2013
Awards
Special Resident in Minimally Invasive Gynecologic Surgery, American Association of Gynecologic Laparoscopists
HealthTap Founding Doctor
Affiliations
St. Joseph Hospital
Western Medical Center Santa Ana
Publications
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